svn commit: r1103436 - /commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/binder/AbstractParamTypeBuilder.java

[si...@apache.org]

Author: simonetripodi
Date: Sun May 15 15:58:40 2011
New Revision: 1103436

URL: http://svn.apache.org/viewvc?rev=1103436&view=rev
Log:
first checkin of AbstractParamTypeBuilder class

Added:
    commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/binder/AbstractParamTypeBuilder.java   (with props)

Added: commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/binder/AbstractParamTypeBuilder.java
URL: http://svn.apache.org/viewvc/commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/binder/AbstractParamTypeBuilder.java?rev=1103436&view=auto
==============================================================================
--- commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/binder/AbstractParamTypeBuilder.java (added)
+++ commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/binder/AbstractParamTypeBuilder.java Sun May 15 15:58:40 2011
@@ -0,0 +1,123 @@
+/* $Id$
+ *
+ * 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.
+ */
+package org.apache.commons.digester3.binder;
+
+import static java.lang.String.format;
+
+import org.apache.commons.digester3.Rule;
+
+/**
+ * Builder chained when invoking {@link LinkedRuleBuilderImpl#setNext(String)},
+ * {@link LinkedRuleBuilderImpl#setRoot(String)} or {@link LinkedRuleBuilderImpl#setTop(String)}.
+ */
+abstract class AbstractParamTypeBuilder<R extends Rule>
+    extends AbstractBackToLinkedRuleBuilder<R>
+{
+
+    private final String methodName;
+
+    private final ClassLoader classLoader;
+
+    private boolean useExactMatch = false;
+
+    private Class<?> paramType;
+
+    AbstractParamTypeBuilder( String keyPattern, String namespaceURI, RulesBinder mainBinder,
+                              LinkedRuleBuilder mainBuilder, String methodName, ClassLoader classLoader )
+    {
+        super( keyPattern, namespaceURI, mainBinder, mainBuilder );
+        this.methodName = methodName;
+        this.classLoader = classLoader;
+    }
+
+    /**
+     * Sets the Java class of the method's argument.
+     * 
+     * If you wish to use a primitive type, specify the corresonding
+     * Java wrapper class instead, such as {@code java.lang.Boolean}
+     * for a {@code boolean} parameter.
+     *
+     * @param paramType The Java class of the method's argument
+     * @return this builder instance
+     */
+    public final AbstractParamTypeBuilder<R> withParameterType(Class<?> paramType) {
+        if (paramType == null) {
+            reportError( format( ".%s.withParameterType( Class<?> )", methodName ), "NULL Java type not allowed" );
+            return this;
+        }
+        return withParameterType(paramType.getName());
+    }
+
+    /**
+     * Sets the Java class name of the method's argument.
+     * 
+     * If you wish to use a primitive type, specify the corresonding
+     * Java wrapper class instead, such as {@code java.lang.Boolean}
+     * for a {@code boolean} parameter.
+     *
+     * @param paramType The Java class name of the method's argument
+     * @return this builder instance
+     */
+    public final AbstractParamTypeBuilder<R> withParameterType( String paramType )
+    {
+        if ( paramType == null )
+        {
+            reportError( format( ".%s.withParameterType( Class<?> )", methodName ), "NULL Java type not allowed" );
+            return this;
+        }
+
+        try
+        {
+            this.paramType = classLoader.loadClass( paramType );
+        }
+        catch ( ClassNotFoundException e )
+        {
+            this.reportError( format( ".%s.withParameterType( Class<?> )", methodName ),
+                              format( "class '%s' cannot be load", paramType ) );
+        }
+        return this;
+    }
+
+    /**
+     * Sets exact matching being used.
+     *
+     * @param useExactMatch The exact matching being used
+     * @return this builder instance
+     */
+    public final AbstractParamTypeBuilder<R> useExactMatch( boolean useExactMatch )
+    {
+        this.useExactMatch = useExactMatch;
+        return this;
+    }
+
+    protected final String getMethodName()
+    {
+        return methodName;
+    }
+
+    protected final Class<?> getParamType()
+    {
+        return paramType;
+    }
+
+    protected final boolean isUseExactMatch()
+    {
+        return useExactMatch;
+    }
+
+}

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