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Posted to commits@maven.apache.org by jo...@apache.org on 2007/02/13 04:21:41 UTC

svn commit: r506835 - in /maven/sandbox: plugins/maven-dependency-analyzer-plugin/ plugins/maven-dependency-analyzer-plugin/src/ plugins/maven-dependency-analyzer-plugin/src/main/ plugins/maven-dependency-analyzer-plugin/src/main/java/ plugins/maven-de...

Author: joakime
Date: Mon Feb 12 19:21:39 2007
New Revision: 506835

URL: http://svn.apache.org/viewvc?view=rev&rev=506835
Log:
[MNG-2676] maven-dependency-analyser shared component & plugin
Submitted By: Mark Hobson
* Spelling corrected.
* Apache License corrected from old format to new.


Added:
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/   (with props)
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/pom.xml   (with props)
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/analyzer/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/analyzer/AnalyzeMojo.java
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/resources/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/test/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/test/java/
    maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/test/resources/
    maven/sandbox/shared/maven-dependency-analyzer/   (with props)
    maven/sandbox/shared/maven-dependency-analyzer/pom.xml   (with props)
    maven/sandbox/shared/maven-dependency-analyzer/src/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassAnalyzer.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitor.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtils.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitor.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultClassAnalyzer.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzer.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DependencyAnalyzer.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalysis.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzer.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzerException.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ASMDependencyAnalyzer.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyClassFileVisitor.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyVisitor.java
    maven/sandbox/shared/maven-dependency-analyzer/src/main/resources/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtilsTest.java
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitorTest.java
    maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/InputStreamConstraint.java
    maven/sandbox/shared/maven-dependency-analyzer/src/test/resources/

Propchange: maven/sandbox/plugins/maven-dependency-analyzer-plugin/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Mon Feb 12 19:21:39 2007
@@ -0,0 +1,14 @@
+target
+*~
+.*.swp
+*.log
+*.patch
+*.diff
+*.ipr
+*.iws
+*.iml
+.classpath
+.project
+.settings
+.wtpmodules
+cobertura.ser

Added: maven/sandbox/plugins/maven-dependency-analyzer-plugin/pom.xml
URL: http://svn.apache.org/viewvc/maven/sandbox/plugins/maven-dependency-analyzer-plugin/pom.xml?view=auto&rev=506835
==============================================================================
--- maven/sandbox/plugins/maven-dependency-analyzer-plugin/pom.xml (added)
+++ maven/sandbox/plugins/maven-dependency-analyzer-plugin/pom.xml Mon Feb 12 19:21:39 2007
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+  <parent>
+    <groupId>org.apache.maven.plugins</groupId>
+    <artifactId>maven-plugins</artifactId>
+    <version>7</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache.maven.plugins</groupId>
+  <artifactId>maven-dependency-analyzer-plugin</artifactId>
+  <packaging>maven-plugin</packaging>
+  <version>1.0-SNAPSHOT</version>
+
+  <name>Dependency Analyzer Maven Plugin</name>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>1.4</source>
+          <target>1.4</target>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven.shared</groupId>
+      <artifactId>maven-dependency-analyzer</artifactId>
+      <version>1.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-plugin-api</artifactId>
+      <version>2.0</version>
+    </dependency>
+  </dependencies>
+
+</project>

Propchange: maven/sandbox/plugins/maven-dependency-analyzer-plugin/pom.xml
------------------------------------------------------------------------------
    svn:executable = *

Added: maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/analyzer/AnalyzeMojo.java
URL: http://svn.apache.org/viewvc/maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/analyzer/AnalyzeMojo.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/analyzer/AnalyzeMojo.java (added)
+++ maven/sandbox/plugins/maven-dependency-analyzer-plugin/src/main/java/org/apache/maven/plugin/dependency/analyzer/AnalyzeMojo.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,112 @@
+package org.apache.maven.plugin.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.Iterator;
+import java.util.Set;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalysis;
+import org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzer;
+import org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzerException;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @goal analyze
+ * @requiresDependencyResolution test
+ * @execute phase="test-compile"
+ */
+public class AnalyzeMojo extends AbstractMojo
+{
+    // fields -----------------------------------------------------------------
+
+    /**
+     * 
+     * 
+     * @parameter expression="${project}"
+     * @required
+     * @readonly
+     */
+    private MavenProject project;
+
+    /**
+     * 
+     * 
+     * @parameter expression="${component.org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzer}"
+     * @required
+     * @readonly
+     */
+    private ProjectDependencyAnalyzer analyzer;
+
+    // Mojo methods -----------------------------------------------------------
+
+    /*
+     * @see org.apache.maven.plugin.Mojo#execute()
+     */
+    public void execute() throws MojoExecutionException, MojoFailureException
+    {
+        try
+        {
+            ProjectDependencyAnalysis analysis = analyzer.analyze( project );
+
+            getLog().info( "Used declared dependencies:" );
+
+            logArtifacts( analysis.getUsedDeclaredArtifacts() );
+
+            getLog().info( "Used undeclared dependencies:" );
+
+            logArtifacts( analysis.getUsedUndeclaredArtifacts() );
+
+            getLog().info( "Unused declared dependencies:" );
+
+            logArtifacts( analysis.getUnusedDeclaredArtifacts() );
+        }
+        catch ( ProjectDependencyAnalyzerException exception )
+        {
+            throw new MojoExecutionException( "Cannot analyze dependencies", exception );
+        }
+    }
+
+    // private methods --------------------------------------------------------
+
+    private void logArtifacts( Set artifacts )
+    {
+        if ( artifacts.isEmpty() )
+        {
+            getLog().info( "   None" );
+        }
+        else
+        {
+            for ( Iterator iterator = artifacts.iterator(); iterator.hasNext(); )
+            {
+                Artifact artifact = (Artifact) iterator.next();
+
+                getLog().info( "   " + artifact );
+            }
+        }
+    }
+}

Propchange: maven/sandbox/shared/maven-dependency-analyzer/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Mon Feb 12 19:21:39 2007
@@ -0,0 +1,14 @@
+target
+*~
+.*.swp
+*.log
+*.patch
+*.diff
+*.ipr
+*.iws
+*.iml
+.classpath
+.project
+.settings
+.wtpmodules
+cobertura.ser

Added: maven/sandbox/shared/maven-dependency-analyzer/pom.xml
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/pom.xml?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/pom.xml (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/pom.xml Mon Feb 12 19:21:39 2007
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <parent>
+  
+    <groupId>org.apache.maven.shared</groupId>
+    <artifactId>maven-shared-components</artifactId>
+    <version>3</version>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache.maven.shared</groupId>
+  <artifactId>maven-dependency-analyzer</artifactId>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+
+  <name>Maven Dependency Analyzer</name>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>1.4</source>
+          <target>1.4</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.plexus</groupId>
+        <artifactId>plexus-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>descriptor</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <dependency>
+      <groupId>asm</groupId>
+      <artifactId>asm</artifactId>
+      <version>3.0_RC1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
+      <version>1.0.4</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-project</artifactId>
+      <version>2.0</version>
+    </dependency>
+    <dependency>
+      <groupId>jmock</groupId>
+      <artifactId>jmock</artifactId>
+      <version>1.1.0</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+</project>

Propchange: maven/sandbox/shared/maven-dependency-analyzer/pom.xml
------------------------------------------------------------------------------
    svn:executable = *

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassAnalyzer.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassAnalyzer.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassAnalyzer.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassAnalyzer.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,42 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.Set;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public interface ClassAnalyzer
+{
+    // fields -----------------------------------------------------------------
+
+    String ROLE = ClassAnalyzer.class.getName();
+
+    // public methods ---------------------------------------------------------
+
+    Set analyze( URL url )
+        throws IOException;
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitor.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitor.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitor.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitor.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,33 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.InputStream;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public interface ClassFileVisitor
+{
+    void visitClass( String className, InputStream in );
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtils.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtils.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtils.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtils.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,149 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.jar.JarEntry;
+import java.util.jar.JarInputStream;
+
+import org.codehaus.plexus.util.DirectoryScanner;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public final class ClassFileVisitorUtils
+{
+    // constants --------------------------------------------------------------
+
+    private static final String[] CLASS_INCLUDES = { "**/*.class" };
+
+    // constructors -----------------------------------------------------------
+
+    private ClassFileVisitorUtils()
+    {
+        // private constructor for utility class
+    }
+
+    // public methods ---------------------------------------------------------
+
+    public static void accept( URL url, ClassFileVisitor visitor )
+        throws IOException
+    {
+        if ( url.getPath().endsWith( ".jar" ) )
+        {
+            acceptJar( url, visitor );
+        }
+        else if ( url.getProtocol().equals( "file" ) )
+        {
+            try
+            {
+                File file = new File( new URI( url.toString() ).getPath() );
+
+                if ( file.isDirectory() )
+                {
+                    acceptDirectory( file, visitor );
+                }
+                else
+                {
+                    throw new IllegalArgumentException( "Cannot accept visitor on URL: " + url );
+                }
+            }
+            catch ( URISyntaxException exception )
+            {
+                IllegalArgumentException e = new IllegalArgumentException( "Cannot accept visitor on URL: " + url );
+                e.initCause( exception );
+                throw e;
+            }
+        }
+        else
+        {
+            throw new IllegalArgumentException( "Cannot accept visitor on URL: " + url );
+        }
+    }
+
+    // private methods --------------------------------------------------------
+
+    private static void acceptJar( URL url, ClassFileVisitor visitor )
+        throws IOException
+    {
+        JarInputStream in = new JarInputStream( url.openStream() );
+
+        JarEntry entry = null;
+
+        while ( ( entry = in.getNextJarEntry() ) != null )
+        {
+            String name = entry.getName();
+
+            if ( name.endsWith( ".class" ) )
+                visitClass( name, in, visitor );
+        }
+
+        in.close();
+    }
+
+    private static void acceptDirectory( File directory, ClassFileVisitor visitor )
+        throws IOException
+    {
+        if ( !directory.isDirectory() )
+            throw new IllegalArgumentException( "File is not a directory" );
+
+        DirectoryScanner scanner = new DirectoryScanner();
+
+        scanner.setBasedir( directory );
+        scanner.setIncludes( CLASS_INCLUDES );
+
+        scanner.scan();
+
+        String[] paths = scanner.getIncludedFiles();
+
+        for ( int i = 0; i < paths.length; i++ )
+        {
+            String path = paths[i].replace( File.separatorChar, '/' );
+
+            File file = new File( directory, path );
+            FileInputStream in = new FileInputStream( file );
+
+            visitClass( path, in, visitor );
+
+            in.close();
+        }
+    }
+
+    private static void visitClass( String path, InputStream in, ClassFileVisitor visitor )
+    {
+        if ( !path.endsWith( ".class" ) )
+            throw new IllegalArgumentException( "Path is not a class" );
+
+        String className = path.substring( 0, path.length() - 6 );
+
+        className = className.replace( '/', '.' );
+
+        visitor.visitClass( className, in );
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitor.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitor.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitor.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitor.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,63 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.InputStream;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public class CollectorClassFileVisitor
+    implements ClassFileVisitor
+{
+    // fields -----------------------------------------------------------------
+
+    private final Set classes;
+
+    // constructors -----------------------------------------------------------
+
+    public CollectorClassFileVisitor()
+    {
+        classes = new HashSet();
+    }
+
+    // ClassFileVisitor methods -----------------------------------------------
+
+    /*
+     * @see org.apache.maven.shared.dependency.analyzer.ClassFileVisitor#visitClass(java.lang.String,
+     *      java.io.InputStream)
+     */
+    public void visitClass( String className, InputStream in )
+    {
+        classes.add( className );
+    }
+
+    // public methods ---------------------------------------------------------
+
+    public Set getClasses()
+    {
+        return classes;
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultClassAnalyzer.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultClassAnalyzer.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultClassAnalyzer.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultClassAnalyzer.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,50 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.Set;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @plexus.component role="org.apache.maven.shared.dependency.analyzer.ClassAnalyzer"
+ */
+public class DefaultClassAnalyzer
+    implements ClassAnalyzer
+{
+    // ClassAnalyzer methods --------------------------------------------------
+
+    /*
+     * @see org.apache.maven.shared.dependency.analyzer.ClassAnalyzer#analyze(java.net.URL)
+     */
+    public Set analyze( URL url )
+        throws IOException
+    {
+        CollectorClassFileVisitor visitor = new CollectorClassFileVisitor();
+
+        ClassFileVisitorUtils.accept( url, visitor );
+
+        return visitor.getClasses();
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzer.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzer.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzer.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DefaultProjectDependencyAnalyzer.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,163 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @plexus.component role="org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzer"
+ */
+public class DefaultProjectDependencyAnalyzer
+    implements ProjectDependencyAnalyzer
+{
+    // fields -----------------------------------------------------------------
+
+    /**
+     * ClassAnalyzer
+     * 
+     * @plexus.requirement
+     */
+    private ClassAnalyzer classAnalyzer;
+
+    /**
+     * DependencyAnalyzer
+     * 
+     * @plexus.requirement
+     */
+    private DependencyAnalyzer dependencyAnalyzer;
+
+    // ProjectDependencyAnalyzer methods --------------------------------------
+
+    /*
+     * @see org.apache.maven.shared.dependency.analyzer.ProjectDependencyAnalyzer#analyze(org.apache.maven.project.MavenProject)
+     */
+    public ProjectDependencyAnalysis analyze( MavenProject project )
+        throws ProjectDependencyAnalyzerException
+    {
+        try
+        {
+            Map artifactClassMap = buildArtifactClassMap( project );
+
+            Set dependencyClasses = buildDependencyClasses( project );
+
+            Set declaredArtifacts = project.getDependencyArtifacts();
+
+            Set usedArtifacts = new HashSet();
+
+            for ( Iterator dependencyIterator = dependencyClasses.iterator(); dependencyIterator.hasNext(); )
+            {
+                String className = (String) dependencyIterator.next();
+
+                Artifact artifact = findArtifactForClassName( artifactClassMap, className );
+
+                if ( artifact != null )
+                    usedArtifacts.add( artifact );
+            }
+
+            Set usedDeclaredArtifacts = new HashSet( declaredArtifacts );
+            usedDeclaredArtifacts.retainAll( usedArtifacts );
+
+            Set usedUndeclaredArtifacts = new HashSet( usedArtifacts );
+            usedUndeclaredArtifacts.removeAll( declaredArtifacts );
+
+            Set unusedDeclaredArtifacts = new HashSet( declaredArtifacts );
+            unusedDeclaredArtifacts.removeAll( usedArtifacts );
+
+            return new ProjectDependencyAnalysis( usedDeclaredArtifacts, usedUndeclaredArtifacts,
+                                                  unusedDeclaredArtifacts );
+        }
+        catch ( IOException exception )
+        {
+            throw new ProjectDependencyAnalyzerException( "Cannot analyze dependencies", exception );
+        }
+    }
+
+    // private methods --------------------------------------------------------
+
+    private Map buildArtifactClassMap( MavenProject project )
+        throws IOException
+    {
+        Map artifactClassMap = new HashMap();
+
+        Set dependencyArtifacts = project.getArtifacts();
+
+        for ( Iterator iterator = dependencyArtifacts.iterator(); iterator.hasNext(); )
+        {
+            Artifact artifact = (Artifact) iterator.next();
+
+            File file = artifact.getFile();
+
+            if ( file != null )
+            {
+                URL url = file.toURL();
+
+                Set classes = classAnalyzer.analyze( url );
+
+                artifactClassMap.put( artifact, classes );
+            }
+        }
+
+        return artifactClassMap;
+    }
+
+    private Set buildDependencyClasses( MavenProject project )
+        throws IOException
+    {
+        String buildDirectory = project.getBuild().getDirectory();
+
+        URL buildDirectoryURL = new File( buildDirectory ).toURI().toURL();
+
+        return dependencyAnalyzer.analyze( buildDirectoryURL );
+    }
+
+    private Artifact findArtifactForClassName( Map artifactClassMap, String className )
+    {
+        for ( Iterator artifactIterator = artifactClassMap.keySet().iterator(); artifactIterator.hasNext(); )
+        {
+            Artifact artifact = (Artifact) artifactIterator.next();
+
+            Set artifactClassNames = (Set) artifactClassMap.get( artifact );
+
+            for ( Iterator classNameIterator = artifactClassNames.iterator(); classNameIterator.hasNext(); )
+            {
+                String artifactClassName = (String) classNameIterator.next();
+
+                if ( artifactClassName.equals( className ) )
+                    return artifact;
+            }
+        }
+
+        return null;
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DependencyAnalyzer.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DependencyAnalyzer.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DependencyAnalyzer.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/DependencyAnalyzer.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,42 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.Set;
+
+/**
+ * DependencyAnalyzer
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public interface DependencyAnalyzer
+{
+    // fields -----------------------------------------------------------------
+
+    String ROLE = DependencyAnalyzer.class.getName();
+
+    // public methods ---------------------------------------------------------
+
+    Set analyze( URL url )
+        throws IOException;
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalysis.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalysis.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalysis.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalysis.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,66 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.Set;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public class ProjectDependencyAnalysis
+{
+    // fields -----------------------------------------------------------------
+
+    private final Set usedDeclaredArtifacts;
+
+    private final Set usedUndeclaredArtifacts;
+
+    private final Set unusedDeclaredArtifacts;
+
+    // constructors -----------------------------------------------------------
+
+    public ProjectDependencyAnalysis( Set usedDeclaredArtifacts, Set usedUndeclaredArtifacts,
+                                      Set unusedDeclaredArtifacts )
+    {
+        this.usedDeclaredArtifacts = usedDeclaredArtifacts;
+        this.usedUndeclaredArtifacts = usedUndeclaredArtifacts;
+        this.unusedDeclaredArtifacts = unusedDeclaredArtifacts;
+    }
+
+    // public methods ---------------------------------------------------------
+
+    public Set getUsedDeclaredArtifacts()
+    {
+        return usedDeclaredArtifacts;
+    }
+
+    public Set getUsedUndeclaredArtifacts()
+    {
+        return usedUndeclaredArtifacts;
+    }
+
+    public Set getUnusedDeclaredArtifacts()
+    {
+        return unusedDeclaredArtifacts;
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzer.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzer.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzer.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzer.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,40 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.project.MavenProject;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public interface ProjectDependencyAnalyzer
+{
+    // fields -----------------------------------------------------------------
+
+    String ROLE = ProjectDependencyAnalyzer.class.getName();
+
+    // public methods ---------------------------------------------------------
+
+    ProjectDependencyAnalysis analyze( MavenProject project )
+        throws ProjectDependencyAnalyzerException;
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzerException.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzerException.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzerException.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/ProjectDependencyAnalyzerException.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,49 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public class ProjectDependencyAnalyzerException
+    extends Exception
+{
+    // constants --------------------------------------------------------------
+
+    /**
+     * The serialisation unique ID.
+     */
+    private static final long serialVersionUID = -5954447543668196977L;
+
+    // constructors -----------------------------------------------------------
+
+    public ProjectDependencyAnalyzerException( String message )
+    {
+        super( message );
+    }
+
+    public ProjectDependencyAnalyzerException( String message, Throwable cause )
+    {
+        super( message, cause );
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ASMDependencyAnalyzer.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ASMDependencyAnalyzer.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ASMDependencyAnalyzer.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/ASMDependencyAnalyzer.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,53 @@
+package org.apache.maven.shared.dependency.analyzer.asm;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.Set;
+
+import org.apache.maven.shared.dependency.analyzer.ClassFileVisitorUtils;
+import org.apache.maven.shared.dependency.analyzer.DependencyAnalyzer;
+
+/**
+ * ASMDependencyAnalyzer 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @plexus.component role="org.apache.maven.shared.dependency.analyzer.DependencyAnalyzer"
+ */
+public class ASMDependencyAnalyzer
+    implements DependencyAnalyzer
+{
+    // DependencyAnalyzer methods ---------------------------------------------
+
+    /*
+     * @see org.apache.maven.shared.dependency.analyzer.DependencyAnalyzer#analyze(java.net.URL)
+     */
+    public Set analyze( URL url )
+        throws IOException
+    {
+        DependencyClassFileVisitor visitor = new DependencyClassFileVisitor();
+
+        ClassFileVisitorUtils.accept( url, visitor );
+
+        return visitor.getDependencies();
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyClassFileVisitor.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyClassFileVisitor.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyClassFileVisitor.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyClassFileVisitor.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,79 @@
+package org.apache.maven.shared.dependency.analyzer.asm;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.maven.shared.dependency.analyzer.ClassFileVisitor;
+import org.objectweb.asm.ClassReader;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public class DependencyClassFileVisitor
+    implements ClassFileVisitor
+{
+    // fields -----------------------------------------------------------------
+
+    private final Set dependencies;
+
+    // constructors -----------------------------------------------------------
+
+    public DependencyClassFileVisitor()
+    {
+        dependencies = new HashSet();
+    }
+
+    // ClassFileVisitor methods -----------------------------------------------
+
+    /*
+     * @see org.apache.maven.shared.dependency.analyzer.ClassFileVisitor#visitClass(java.lang.String,
+     *      java.io.InputStream)
+     */
+    public void visitClass( String className, InputStream in )
+    {
+        try
+        {
+            ClassReader reader = new ClassReader( in );
+            DependencyVisitor visitor = new DependencyVisitor();
+
+            reader.accept( visitor, 0 );
+
+            dependencies.addAll( visitor.getClasses() );
+        }
+        catch ( IOException exception )
+        {
+            exception.printStackTrace();
+        }
+    }
+
+    // public methods ---------------------------------------------------------
+
+    public Set getDependencies()
+    {
+        return dependencies;
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyVisitor.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyVisitor.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyVisitor.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/main/java/org/apache/maven/shared/dependency/analyzer/asm/DependencyVisitor.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,573 @@
+package org.apache.maven.shared.dependency.analyzer.asm;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.objectweb.asm.AnnotationVisitor;
+import org.objectweb.asm.Attribute;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Type;
+import org.objectweb.asm.signature.SignatureReader;
+import org.objectweb.asm.signature.SignatureVisitor;
+
+/**
+ * Inspired by <code>org.objectweb.asm.depend.DependencyVisitor</code> in the ASM dependencies example.
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public class DependencyVisitor
+    implements AnnotationVisitor, SignatureVisitor, ClassVisitor, FieldVisitor, MethodVisitor
+{
+    // fields -----------------------------------------------------------------
+
+    private final Set classes;
+
+    // constructors -----------------------------------------------------------
+
+    public DependencyVisitor()
+    {
+        classes = new HashSet();
+    }
+
+    // ClassVisitor methods ---------------------------------------------------
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visit(int, int, java.lang.String, java.lang.String, java.lang.String,
+     *      java.lang.String[])
+     */
+    public void visit( final int version, final int access, final String name, final String signature,
+                       final String superName, final String[] interfaces )
+    {
+        if ( signature == null )
+        {
+            addName( superName );
+            addNames( interfaces );
+        }
+        else
+        {
+            addSignature( signature );
+        }
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitSource(java.lang.String, java.lang.String)
+     */
+    public void visitSource( final String source, final String debug )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitOuterClass(java.lang.String, java.lang.String, java.lang.String)
+     */
+    public void visitOuterClass( final String owner, final String name, final String desc )
+    {
+        // addName(owner);
+        // addMethodDesc(desc);
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitAnnotation(java.lang.String, boolean)
+     */
+    public AnnotationVisitor visitAnnotation( final String desc, final boolean visible )
+    {
+        addDesc( desc );
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitAttribute(org.objectweb.asm.Attribute)
+     */
+    public void visitAttribute( final Attribute attr )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitInnerClass(java.lang.String, java.lang.String, java.lang.String, int)
+     */
+    public void visitInnerClass( final String name, final String outerName, final String innerName, final int access )
+    {
+        // addName( outerName);
+        // addName( innerName);
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitField(int, java.lang.String, java.lang.String, java.lang.String,
+     *      java.lang.Object)
+     */
+    public FieldVisitor visitField( final int access, final String name, final String desc, final String signature,
+                                    final Object value )
+    {
+        if ( signature == null )
+            addDesc( desc );
+        else
+            addTypeSignature( signature );
+
+        if ( value instanceof Type )
+            addType( (Type) value );
+
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.ClassVisitor#visitMethod(int, java.lang.String, java.lang.String, java.lang.String,
+     *      java.lang.String[])
+     */
+    public MethodVisitor visitMethod( final int access, final String name, final String desc, final String signature,
+                                      final String[] exceptions )
+    {
+        if ( signature == null )
+            addMethodDesc( desc );
+        else
+            addSignature( signature );
+
+        addNames( exceptions );
+
+        return this;
+    }
+
+    // MethodVisitor methods --------------------------------------------------
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitAnnotationDefault()
+     */
+    public AnnotationVisitor visitAnnotationDefault()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitParameterAnnotation(int, java.lang.String, boolean)
+     */
+    public AnnotationVisitor visitParameterAnnotation( final int parameter, final String desc, final boolean visible )
+    {
+        addDesc( desc );
+
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitCode()
+     */
+    public void visitCode()
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitFrame(int, int, java.lang.Object[], int, java.lang.Object[])
+     */
+    public void visitFrame( final int type, final int nLocal, final Object[] local, final int nStack,
+                            final Object[] stack )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitInsn(int)
+     */
+    public void visitInsn( final int opcode )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitIntInsn(int, int)
+     */
+    public void visitIntInsn( final int opcode, final int operand )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitVarInsn(int, int)
+     */
+    public void visitVarInsn( final int opcode, final int var )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitTypeInsn(int, java.lang.String)
+     */
+    public void visitTypeInsn( final int opcode, final String desc )
+    {
+        if ( desc.charAt( 0 ) == '[' )
+            addDesc( desc );
+        else
+            addName( desc );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitFieldInsn(int, java.lang.String, java.lang.String, java.lang.String)
+     */
+    public void visitFieldInsn( final int opcode, final String owner, final String name, final String desc )
+    {
+        addName( owner );
+        addDesc( desc );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitMethodInsn(int, java.lang.String, java.lang.String, java.lang.String)
+     */
+    public void visitMethodInsn( final int opcode, final String owner, final String name, final String desc )
+    {
+        addName( owner );
+        addMethodDesc( desc );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitJumpInsn(int, org.objectweb.asm.Label)
+     */
+    public void visitJumpInsn( final int opcode, final Label label )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitLabel(org.objectweb.asm.Label)
+     */
+    public void visitLabel( final Label label )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitLdcInsn(java.lang.Object)
+     */
+    public void visitLdcInsn( final Object cst )
+    {
+        if ( cst instanceof Type )
+            addType( (Type) cst );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitIincInsn(int, int)
+     */
+    public void visitIincInsn( final int var, final int increment )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitTableSwitchInsn(int, int, org.objectweb.asm.Label,
+     *      org.objectweb.asm.Label[])
+     */
+    public void visitTableSwitchInsn( final int min, final int max, final Label dflt, final Label[] labels )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitLookupSwitchInsn(org.objectweb.asm.Label, int[],
+     *      org.objectweb.asm.Label[])
+     */
+    public void visitLookupSwitchInsn( final Label dflt, final int[] keys, final Label[] labels )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitMultiANewArrayInsn(java.lang.String, int)
+     */
+    public void visitMultiANewArrayInsn( final String desc, final int dims )
+    {
+        addDesc( desc );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitTryCatchBlock(org.objectweb.asm.Label, org.objectweb.asm.Label,
+     *      org.objectweb.asm.Label, java.lang.String)
+     */
+    public void visitTryCatchBlock( final Label start, final Label end, final Label handler, final String type )
+    {
+        addName( type );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitLocalVariable(java.lang.String, java.lang.String, java.lang.String,
+     *      org.objectweb.asm.Label, org.objectweb.asm.Label, int)
+     */
+    public void visitLocalVariable( final String name, final String desc, final String signature, final Label start,
+                                    final Label end, final int index )
+    {
+        addTypeSignature( signature );
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitLineNumber(int, org.objectweb.asm.Label)
+     */
+    public void visitLineNumber( final int line, final Label start )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.MethodVisitor#visitMaxs(int, int)
+     */
+    public void visitMaxs( final int maxStack, final int maxLocals )
+    {
+        // no-op
+    }
+
+    // AnnotationVisitor methods ----------------------------------------------
+
+    /*
+     * @see org.objectweb.asm.AnnotationVisitor#visit(java.lang.String, java.lang.Object)
+     */
+    public void visit( final String name, final Object value )
+    {
+        if ( value instanceof Type )
+            addType( (Type) value );
+    }
+
+    /*
+     * @see org.objectweb.asm.AnnotationVisitor#visitEnum(java.lang.String, java.lang.String, java.lang.String)
+     */
+    public void visitEnum( final String name, final String desc, final String value )
+    {
+        addDesc( desc );
+    }
+
+    /*
+     * @see org.objectweb.asm.AnnotationVisitor#visitAnnotation(java.lang.String, java.lang.String)
+     */
+    public AnnotationVisitor visitAnnotation( final String name, final String desc )
+    {
+        addDesc( desc );
+
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.AnnotationVisitor#visitArray(java.lang.String)
+     */
+    public AnnotationVisitor visitArray( final String name )
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.AnnotationVisitor#visitEnd()
+     */
+    public void visitEnd()
+    {
+        // no-op
+    }
+
+    // SignatureVisitor methods -----------------------------------------------
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitFormalTypeParameter(java.lang.String)
+     */
+    public void visitFormalTypeParameter( final String name )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitClassBound()
+     */
+    public SignatureVisitor visitClassBound()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitInterfaceBound()
+     */
+    public SignatureVisitor visitInterfaceBound()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitSuperclass()
+     */
+    public SignatureVisitor visitSuperclass()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitInterface()
+     */
+    public SignatureVisitor visitInterface()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitParameterType()
+     */
+    public SignatureVisitor visitParameterType()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitReturnType()
+     */
+    public SignatureVisitor visitReturnType()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitExceptionType()
+     */
+    public SignatureVisitor visitExceptionType()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitBaseType(char)
+     */
+    public void visitBaseType( final char descriptor )
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitTypeVariable(java.lang.String)
+     */
+    public void visitTypeVariable( final String name )
+    {
+        // TODO: verify
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitArrayType()
+     */
+    public SignatureVisitor visitArrayType()
+    {
+        return this;
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitClassType(java.lang.String)
+     */
+    public void visitClassType( final String name )
+    {
+        addName( name );
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitInnerClassType(java.lang.String)
+     */
+    public void visitInnerClassType( final String name )
+    {
+        addName( name );
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitTypeArgument()
+     */
+    public void visitTypeArgument()
+    {
+        // no-op
+    }
+
+    /*
+     * @see org.objectweb.asm.signature.SignatureVisitor#visitTypeArgument(char)
+     */
+    public SignatureVisitor visitTypeArgument( final char wildcard )
+    {
+        return this;
+    }
+
+    // public methods ---------------------------------------------------------
+
+    public Set getClasses()
+    {
+        return classes;
+    }
+
+    // private methods --------------------------------------------------------
+
+    private void addName( String name )
+    {
+        if ( name == null )
+            return;
+
+        // decode arrays
+        if ( name.startsWith( "[L" ) && name.endsWith( ";" ) )
+            name = name.substring( 2, name.length() - 1 );
+
+        // decode internal representation
+        name = name.replace( '/', '.' );
+
+        classes.add( name );
+    }
+
+    private void addNames( final String[] names )
+    {
+        for ( int i = 0; names != null && i < names.length; i++ )
+            addName( names[i] );
+    }
+
+    private void addDesc( final String desc )
+    {
+        addType( Type.getType( desc ) );
+    }
+
+    private void addMethodDesc( final String desc )
+    {
+        addType( Type.getReturnType( desc ) );
+        Type[] types = Type.getArgumentTypes( desc );
+
+        for ( int i = 0; i < types.length; i++ )
+            addType( types[i] );
+    }
+
+    private void addType( final Type t )
+    {
+        switch ( t.getSort() )
+        {
+            case Type.ARRAY:
+                addType( t.getElementType() );
+                break;
+
+            case Type.OBJECT:
+                addName( t.getClassName().replace( '.', '/' ) );
+                break;
+        }
+    }
+
+    private void addSignature( final String signature )
+    {
+        if ( signature != null )
+            new SignatureReader( signature ).accept( this );
+    }
+
+    private void addTypeSignature( final String signature )
+    {
+        if ( signature != null )
+            new SignatureReader( signature ).acceptType( this );
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtilsTest.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtilsTest.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtilsTest.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/ClassFileVisitorUtilsTest.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,222 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.URL;
+import java.util.jar.JarOutputStream;
+import java.util.zip.ZipEntry;
+
+import org.apache.maven.shared.dependency.analyzer.ClassFileVisitor;
+import org.apache.maven.shared.dependency.analyzer.ClassFileVisitorUtils;
+import org.codehaus.plexus.util.FileUtils;
+import org.codehaus.plexus.util.IOUtil;
+import org.jmock.Mock;
+import org.jmock.MockObjectTestCase;
+
+/**
+ * Tests <code>ClassFileVisitorUtils</code>.
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @see ClassFileVisitorUtils
+ */
+public class ClassFileVisitorUtilsTest
+    extends MockObjectTestCase
+{
+    // tests ------------------------------------------------------------------
+
+    public void testAcceptJar()
+        throws IOException
+    {
+        File file = createJar();
+        JarOutputStream out = new JarOutputStream( new FileOutputStream( file ) );
+        writeEntry( out, "a/b/c.class", "class a.b.c" );
+        writeEntry( out, "x/y/z.class", "class x.y.z" );
+        out.close();
+
+        Mock mock = mock( ClassFileVisitor.class );
+        expectVisitClass( mock, "a.b.c", "class a.b.c" );
+        expectVisitClass( mock, "x.y.z", "class x.y.z" );
+
+        ClassFileVisitorUtils.accept( file.toURI().toURL(), (ClassFileVisitor) mock.proxy() );
+
+        mock.verify();
+    }
+
+    public void testAcceptJarWithNonClassEntry()
+        throws IOException
+    {
+        File file = createJar();
+        JarOutputStream out = new JarOutputStream( new FileOutputStream( file ) );
+        writeEntry( out, "a/b/c.jpg", "jpeg a.b.c" );
+        out.close();
+
+        Mock mock = mock( ClassFileVisitor.class );
+
+        ClassFileVisitorUtils.accept( file.toURI().toURL(), (ClassFileVisitor) mock.proxy() );
+
+        mock.verify();
+    }
+
+    public void testAcceptDir()
+        throws IOException
+    {
+        File dir = createDir();
+
+        File abDir = mkdirs( dir, "a/b" );
+        createFile( abDir, "c.class", "class a.b.c" );
+
+        File xyDir = mkdirs( dir, "x/y" );
+        createFile( xyDir, "z.class", "class x.y.z" );
+
+        Mock mock = mock( ClassFileVisitor.class );
+        expectVisitClass( mock, "a.b.c", "class a.b.c" );
+        expectVisitClass( mock, "x.y.z", "class x.y.z" );
+
+        ClassFileVisitorUtils.accept( dir.toURI().toURL(), (ClassFileVisitor) mock.proxy() );
+
+        FileUtils.deleteDirectory( dir );
+
+        mock.verify();
+    }
+
+    public void testAcceptDirWithNonClassFile()
+        throws IOException
+    {
+        File dir = createDir();
+
+        File abDir = mkdirs( dir, "a/b" );
+        createFile( abDir, "c.jpg", "jpeg a.b.c" );
+
+        Mock mock = mock( ClassFileVisitor.class );
+
+        ClassFileVisitorUtils.accept( dir.toURI().toURL(), (ClassFileVisitor) mock.proxy() );
+
+        FileUtils.deleteDirectory( dir );
+
+        mock.verify();
+    }
+
+    public void testAcceptWithFile()
+        throws IOException
+    {
+        File file = File.createTempFile( "test", ".class" );
+        file.deleteOnExit();
+
+        Mock mock = mock( ClassFileVisitor.class );
+
+        URL url = file.toURI().toURL();
+
+        try
+        {
+            ClassFileVisitorUtils.accept( url, (ClassFileVisitor) mock.proxy() );
+        }
+        catch ( IllegalArgumentException exception )
+        {
+            assertEquals( "Cannot accept visitor on URL: " + url, exception.getMessage() );
+        }
+    }
+
+    public void testAcceptWithUnsupportedScheme()
+        throws IOException
+    {
+        Mock mock = mock( ClassFileVisitor.class );
+
+        URL url = new URL( "http://localhost/" );
+
+        try
+        {
+            ClassFileVisitorUtils.accept( url, (ClassFileVisitor) mock.proxy() );
+        }
+        catch ( IllegalArgumentException exception )
+        {
+            assertEquals( "Cannot accept visitor on URL: " + url, exception.getMessage() );
+        }
+    }
+
+    // private methods --------------------------------------------------------
+
+    private File createJar()
+        throws IOException
+    {
+        File file = File.createTempFile( "test", ".jar" );
+        file.deleteOnExit();
+
+        return file;
+    }
+
+    private File createDir()
+        throws IOException
+    {
+        File file = File.createTempFile( "test", null );
+        file.delete();
+
+        if ( !file.mkdir() )
+            throw new IOException( "Cannot create temporary directory: " + file );
+
+        return file;
+    }
+
+    private File createFile( File parent, String child, String data )
+        throws IOException
+    {
+        File file = new File( parent, child );
+
+        OutputStream out = new FileOutputStream( file );
+        IOUtil.copy( data, out );
+        out.close();
+
+        return file;
+    }
+
+    private File mkdirs( File parent, String child )
+        throws IOException
+    {
+        File dir = new File( parent, child );
+
+        FileUtils.forceMkdir( dir );
+
+        return dir;
+    }
+
+    private void writeEntry( JarOutputStream out, String path, String data )
+        throws IOException
+    {
+        out.putNextEntry( new ZipEntry( path ) );
+
+        byte[] bytes = data.getBytes( "UTF-8" );
+
+        out.write( bytes, 0, bytes.length );
+    }
+
+    private void expectVisitClass( Mock mock, String className, String data )
+    {
+        mock.expects( atLeastOnce() ).method( "visitClass" ).with( eq( className ), in( data ) );
+    }
+
+    private InputStreamConstraint in( String expected )
+    {
+        return new InputStreamConstraint( expected );
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitorTest.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitorTest.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitorTest.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/CollectorClassFileVisitorTest.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,67 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.maven.shared.dependency.analyzer.CollectorClassFileVisitor;
+
+import junit.framework.TestCase;
+
+/**
+ * Tests <code>CollectorClassFileVisitor</code>.
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @see CollectorClassFileVisitor
+ */
+public class CollectorClassFileVisitorTest
+    extends TestCase
+{
+    // fields -----------------------------------------------------------------
+
+    private CollectorClassFileVisitor visitor;
+
+    // TestCase thods ---------------------------------------------------------
+
+    /*
+     * @see junit.framework.TestCase#setUp()
+     */
+    protected void setUp()
+        throws Exception
+    {
+        visitor = new CollectorClassFileVisitor();
+    }
+
+    // tests ------------------------------------------------------------------
+
+    public void testVisitClass()
+    {
+        visitor.visitClass( "a.b.c", null );
+        visitor.visitClass( "x.y.z", null );
+
+        Set expected = new HashSet();
+        expected.add( "a.b.c" );
+        expected.add( "x.y.z" );
+
+        assertEquals( expected, visitor.getClasses() );
+    }
+}

Added: maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/InputStreamConstraint.java
URL: http://svn.apache.org/viewvc/maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/InputStreamConstraint.java?view=auto&rev=506835
==============================================================================
--- maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/InputStreamConstraint.java (added)
+++ maven/sandbox/shared/maven-dependency-analyzer/src/test/java/org/apache/maven/shared/dependency/analyzer/InputStreamConstraint.java Mon Feb 12 19:21:39 2007
@@ -0,0 +1,100 @@
+package org.apache.maven.shared.dependency.analyzer;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.codehaus.plexus.util.IOUtil;
+import org.jmock.core.Constraint;
+
+/**
+ * 
+ * 
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ */
+public class InputStreamConstraint
+    implements Constraint
+{
+    // constants --------------------------------------------------------------
+
+    private static final String DEFAULT_CHARSET_NAME = "UTF-8";
+
+    // fields -----------------------------------------------------------------
+
+    private final String expected;
+
+    private final String charsetName;
+
+    // constructors -----------------------------------------------------------
+
+    public InputStreamConstraint( String expected )
+    {
+        this( expected, DEFAULT_CHARSET_NAME );
+    }
+
+    public InputStreamConstraint( String expected, String charsetName )
+    {
+        this.expected = expected;
+        this.charsetName = charsetName;
+    }
+
+    // Constraint methods -----------------------------------------------------
+
+    /*
+     * @see org.jmock.core.Constraint#eval(java.lang.Object)
+     */
+    public boolean eval( Object object )
+    {
+        if ( !( object instanceof InputStream ) )
+        {
+            return false;
+        }
+
+        InputStream in = (InputStream) object;
+
+        try
+        {
+            String actual = IOUtil.toString( in, charsetName );
+
+            return expected.equals( actual );
+        }
+        catch ( IOException exception )
+        {
+            return false;
+        }
+    }
+
+    // SelfDescribing methods -------------------------------------------------
+
+    /*
+     * @see org.jmock.core.SelfDescribing#describeTo(java.lang.StringBuffer)
+     */
+    public StringBuffer describeTo( StringBuffer buffer )
+    {
+        buffer.append( "in(" );
+        buffer.append( "\"" ).append( expected ).append( "\"" );
+        buffer.append( "," ).append( charsetName );
+        buffer.append( ")" );
+
+        return buffer;
+    }
+}