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Posted to commits@commons.apache.org by si...@apache.org on 2011/02/19 15:52:56 UTC

svn commit: r1072354 - in /commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3: internal/rulesbinder/ plugins/ rulesbinder/

Author: simonetripodi
Date: Sat Feb 19 14:52:55 2011
New Revision: 1072354

URL: http://svn.apache.org/viewvc?rev=1072354&view=rev
Log:
added the PluginCreateRule directly into the RulesBinder EDSL

Added:
    commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/PluginCreateRuleBuilderImpl.java   (with props)
    commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/PluginCreateRuleBuilder.java   (with props)
Modified:
    commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/LinkedRuleBuilderImpl.java
    commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/plugins/PluginContext.java
    commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/LinkedRuleBuilder.java

Modified: commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/LinkedRuleBuilderImpl.java
URL: http://svn.apache.org/viewvc/commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/LinkedRuleBuilderImpl.java?rev=1072354&r1=1072353&r2=1072354&view=diff
==============================================================================
--- commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/LinkedRuleBuilderImpl.java (original)
+++ commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/LinkedRuleBuilderImpl.java Sat Feb 19 14:52:55 2011
@@ -30,6 +30,7 @@ import org.apache.commons.digester3.rule
 import org.apache.commons.digester3.rulesbinder.ObjectCreateBuilder;
 import org.apache.commons.digester3.rulesbinder.ObjectParamBuilder;
 import org.apache.commons.digester3.rulesbinder.PathCallParamBuilder;
+import org.apache.commons.digester3.rulesbinder.PluginCreateRuleBuilder;
 import org.apache.commons.digester3.rulesbinder.PluginDeclarationRuleBuilder;
 import org.apache.commons.digester3.rulesbinder.SetNextBuilder;
 import org.apache.commons.digester3.rulesbinder.SetPropertiesBuilder;
@@ -266,4 +267,12 @@ final class LinkedRuleBuilderImpl implem
                 new PluginDeclarationRuleBuilderImpl(this.keyPattern, this.namespaceURI, this.mainBinder, this));
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public PluginCreateRuleBuilder createPlugin() {
+        return this.addProvider(
+                new PluginCreateRuleBuilderImpl(this.keyPattern, this.namespaceURI, this.mainBinder, this));
+    }
+
 }

Added: commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/PluginCreateRuleBuilderImpl.java
URL: http://svn.apache.org/viewvc/commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/PluginCreateRuleBuilderImpl.java?rev=1072354&view=auto
==============================================================================
--- commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/PluginCreateRuleBuilderImpl.java (added)
+++ commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/internal/rulesbinder/PluginCreateRuleBuilderImpl.java Sat Feb 19 14:52:55 2011
@@ -0,0 +1,186 @@
+/* $Id$
+ *
+ * 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.internal.rulesbinder;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Map.Entry;
+
+import org.apache.commons.digester3.RulesBinder;
+import org.apache.commons.digester3.plugins.PluginCreateRule;
+import org.apache.commons.digester3.plugins.RuleLoader;
+import org.apache.commons.digester3.rulesbinder.LinkedRuleBuilder;
+import org.apache.commons.digester3.rulesbinder.PluginCreateRuleBuilder;
+
+/**
+ * Builder chained when invoking {@link LinkedRuleBuilder#createPlugin()}.
+ */
+final class PluginCreateRuleBuilderImpl
+        extends AbstractBackToLinkedRuleBuilder<PluginCreateRule>
+        implements PluginCreateRuleBuilder {
+
+    private final Collection<Entry<String, String>> pluginClassAttributes = new ArrayList<Entry<String, String>>();
+
+    private final Collection<Entry<String, String>> pluginIdAttributes = new ArrayList<Entry<String, String>>();
+
+    private Class<?> baseClass;
+
+    private Class<?> dfltPluginClass;
+
+    private RuleLoader dfltPluginRuleLoader;
+
+    public PluginCreateRuleBuilderImpl(String keyPattern,
+            String namespaceURI,
+            RulesBinder mainBinder,
+            LinkedRuleBuilderImpl mainBuilder) {
+        super(keyPattern, namespaceURI, mainBinder, mainBuilder);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public <T> PluginCreateRuleBuilder ofType(Class<T> type) {
+        if (type == null) {
+            this.reportError("createPlugin().ofType(Class<?>)", "NULL Java type not allowed");
+            return this;
+        }
+
+        this.baseClass = type;
+
+        return this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public <T> PluginCreateRuleBuilder usingDefaultPluginClass(/* @Nullable */ Class<T> type) {
+        this.dfltPluginClass = type;
+        return this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public <RL extends RuleLoader> PluginCreateRuleBuilder usingRuleLoader(/* @Nullable */ RL ruleLoader) {
+        this.dfltPluginRuleLoader = ruleLoader;
+        return this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public PluginCreateRuleBuilder setPluginClassAttribute(String attrName) {
+        if (attrName == null) {
+            this.reportError("createPlugin().setPluginClassAttribute(String)", "NULL attribute name not allowed");
+            return this;
+        }
+
+        return this.setPluginClassAttribute(null, attrName);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public PluginCreateRuleBuilder setPluginClassAttribute(/* @Nullable */ String namespaceUri, String attrName) {
+        if (attrName == null) {
+            this.reportError("createPlugin().setPluginClassAttribute(String,String)", "NULL attribute name not allowed");
+            return this;
+        }
+
+        return this.addToCollection(this.pluginClassAttributes, namespaceUri, attrName);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public PluginCreateRuleBuilder setPluginIdAttribute(String attrName) {
+        if (attrName == null) {
+            this.reportError("createPlugin().setPluginIdAttribute(String)", "NULL attribute name not allowed");
+            return this;
+        }
+
+        return this.setPluginIdAttribute(null, attrName);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public PluginCreateRuleBuilder setPluginIdAttribute(/* @Nullable */ String namespaceUri, String attrName) {
+        if (attrName == null) {
+            this.reportError("createPlugin().setPluginIdAttribute(String,String)", "NULL attribute name not allowed");
+            return this;
+        }
+
+        return this.addToCollection(this.pluginIdAttributes, namespaceUri, attrName);
+    }
+
+    public PluginCreateRuleBuilder addToCollection(Collection<Entry<String, String>> collection,
+            final String namespaceUri,
+            final String attrName) {
+        collection.add(new Entry<String, String>() {
+
+            public String setValue(String value) {
+                // not needed
+                return null;
+            }
+
+            public String getValue() {
+                return attrName;
+            }
+
+            public String getKey() {
+                return namespaceUri;
+            }
+
+        });
+        return this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected PluginCreateRule createRule() {
+        if (this.baseClass == null) {
+            this.reportError("createPlugin()",
+                    "'baseClass' has to be specified");
+        }
+
+        PluginCreateRule rule;
+        if (this.dfltPluginClass != null) {
+            if (this.dfltPluginRuleLoader != null) {
+                rule = new PluginCreateRule(this.baseClass, this.dfltPluginClass, this.dfltPluginRuleLoader);
+            } else {
+                rule = new PluginCreateRule(this.baseClass, this.dfltPluginClass);
+            }
+        } else {
+            rule = new PluginCreateRule(this.baseClass);
+        }
+
+        for (Entry<String, String> entry : this.pluginClassAttributes) {
+            rule.setPluginClassAttribute(entry.getKey(), entry.getValue());
+        }
+
+        for (Entry<String, String> entry : this.pluginIdAttributes) {
+            rule.setPluginIdAttribute(entry.getKey(), entry.getValue());
+        }
+
+        return rule;
+    }
+
+}

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Modified: commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/plugins/PluginContext.java
URL: http://svn.apache.org/viewvc/commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/plugins/PluginContext.java?rev=1072354&r1=1072353&r2=1072354&view=diff
==============================================================================
--- commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/plugins/PluginContext.java (original)
+++ commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/plugins/PluginContext.java Sat Feb 19 14:52:55 2011
@@ -152,8 +152,7 @@ public class PluginContext {
      * @param attrName is the attribute whose value contains the name of the
      * class to be instantiated.
      */
-    public void setPluginClassAttribute(String namespaceUri, 
-                                        String attrName) {
+    public void setPluginClassAttribute(String namespaceUri, String attrName) {
         pluginClassAttrNs = namespaceUri;
         pluginClassAttr = attrName;
     }
@@ -191,8 +190,7 @@ public class PluginContext {
      * @param attrName is the attribute whose value contains the id of the
      * plugin declaration to be used when instantiating an object.
      */
-    public void setPluginIdAttribute(String namespaceUri, 
-                                     String attrName) {
+    public void setPluginIdAttribute(String namespaceUri, String attrName) {
         pluginIdAttrNs = namespaceUri;
         pluginIdAttr = attrName;
     }
@@ -206,7 +204,7 @@ public class PluginContext {
     public String getPluginClassAttrNs() {
         return pluginClassAttrNs;
     }
-    
+
     /**
      * Get the namespace for the xml attribute which indicates to a 
      * PluginCreateRule which class is to be plugged in.
@@ -216,7 +214,7 @@ public class PluginContext {
     public String getPluginClassAttr() {
         return pluginClassAttr;
     }
-    
+
     /**
      * Get the namespace for the xml attribute which indicates to a 
      * PluginCreateRule which previous plugin declaration should be used.
@@ -226,7 +224,7 @@ public class PluginContext {
     public String getPluginIdAttrNs() {
         return pluginIdAttrNs;
     }
-    
+
     /**
      * Get the namespace for the xml attribute which indicates to a 
      * PluginCreateRule which previous plugin declaration should be used.
@@ -236,4 +234,5 @@ public class PluginContext {
     public String getPluginIdAttr() {
         return pluginIdAttr;
     }
+
 }

Modified: commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/LinkedRuleBuilder.java
URL: http://svn.apache.org/viewvc/commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/LinkedRuleBuilder.java?rev=1072354&r1=1072353&r2=1072354&view=diff
==============================================================================
--- commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/LinkedRuleBuilder.java (original)
+++ commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/LinkedRuleBuilder.java Sat Feb 19 14:52:55 2011
@@ -150,4 +150,14 @@ public interface LinkedRuleBuilder {
      */
     PluginDeclarationRuleBuilder declarePlugin();
 
+    /**
+     * 
+     *
+     * NOTE: when using this rule, make sure {@link org.apache.commons.digester3.Digester} instances
+     * will be created using {@link org.apache.commons.digester3.plugins.PluginRules} rules strategy.
+     *
+     * @return
+     */
+    PluginCreateRuleBuilder createPlugin();
+
 }

Added: commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/PluginCreateRuleBuilder.java
URL: http://svn.apache.org/viewvc/commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/PluginCreateRuleBuilder.java?rev=1072354&view=auto
==============================================================================
--- commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/PluginCreateRuleBuilder.java (added)
+++ commons/sandbox/digester3/trunk/src/main/java/org/apache/commons/digester3/rulesbinder/PluginCreateRuleBuilder.java Sat Feb 19 14:52:55 2011
@@ -0,0 +1,92 @@
+/* $Id$
+ *
+ * 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.rulesbinder;
+
+import org.apache.commons.digester3.plugins.PluginCreateRule;
+import org.apache.commons.digester3.plugins.RuleLoader;
+
+/**
+ * Builder chained when invoking {@link LinkedRuleBuilder#createPlugin()}.
+ */
+public interface PluginCreateRuleBuilder extends BackToLinkedRuleBuilder<PluginCreateRule> {
+
+    /**
+     * 
+     *
+     * @param <T>
+     * @param type The class which any specified plugin <i>must</i> be descended from
+     * @return this builder instance
+     */
+    <T> PluginCreateRuleBuilder ofType(Class<T> type);
+
+    /**
+     * 
+     *
+     * @param <T>
+     * @return this builder instance
+     */
+    <T> PluginCreateRuleBuilder usingDefaultPluginClass(Class<T> type);
+
+    /**
+     * 
+     *
+     * @param <RL>
+     * @param ruleLoader
+     * @return this builder instance
+     */
+    <RL extends RuleLoader> PluginCreateRuleBuilder usingRuleLoader(RL ruleLoader);
+
+    /**
+     * Sets the xml attribute which the input xml uses to indicate to a
+     * PluginCreateRule which class should be instantiated.
+     *
+     * @param attrName
+     * @return
+     */
+    PluginCreateRuleBuilder setPluginClassAttribute(String attrName);
+
+    /**
+     * Sets the xml attribute which the input xml uses to indicate to a
+     * PluginCreateRule which class should be instantiated.
+     *
+     * @param namespaceUri
+     * @param attrName
+     * @return
+     */
+    PluginCreateRuleBuilder setPluginClassAttribute(String namespaceUri, String attrName);
+
+    /**
+     * Sets the xml attribute which the input xml uses to indicate to a 
+     * PluginCreateRule which plugin declaration is being referenced.
+     *
+     * @param namespaceUri
+     * @param attrName
+     * @return
+     */
+    PluginCreateRuleBuilder setPluginIdAttribute(String attrName);
+
+    /**
+     * Sets the xml attribute which the input xml uses to indicate to a 
+     * PluginCreateRule which plugin declaration is being referenced.
+     *
+     * @param attrName
+     * @return
+     */
+    PluginCreateRuleBuilder setPluginIdAttribute(String namespaceUri, String attrName);
+
+}

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