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@@ -1,97 +0,0 @@ |
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/* |
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* Copyright 2005 The Apache Software Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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package org.apache.tools.ant.taskdefs; |
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import java.lang.reflect.Method; |
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import org.apache.tools.ant.Task; |
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import org.apache.tools.ant.Project; |
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import org.apache.tools.ant.BuildException; |
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import org.apache.tools.ant.UnknownElement; |
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import org.apache.tools.ant.RuntimeConfigurable; |
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/** |
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* Clone an Object from a reference. |
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* @since Ant 1.7 |
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*/ |
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public class Clone extends UnknownElement { |
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/** Task name. */ |
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public static final String TASK_NAME = "clone"; |
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/** Clone reference attribute ID. */ |
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public static final String CLONE_REF = "cloneref"; |
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private static final Class[] NO_ARGS = new Class[] {}; |
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/** |
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* Create a new instance of the Clone task. |
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*/ |
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public Clone() { |
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super(TASK_NAME); |
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} |
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/** |
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* Creates a named task or data type. If the real object is a task, |
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* it is configured up to the init() stage. |
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* |
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* @param ue The UnknownElement to create the real object for. |
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* Not used in this implementation. |
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* @param w The RuntimeConfigurable containing the configuration |
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* information to pass to the cloned Object. |
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* |
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* @return the task or data type represented by the given unknown element. |
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*/ |
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protected Object makeObject(UnknownElement ue, RuntimeConfigurable w) { |
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String cloneref = (String) (w.getAttributeMap().get(CLONE_REF)); |
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if (cloneref == null) { |
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throw new BuildException("cloneref attribute not set"); |
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} |
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Object ob = getProject().getReference(cloneref); |
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if (ob == null) { |
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throw new BuildException( |
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"reference \"" + cloneref + "\" not found"); |
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} |
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try { |
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log("Attempting to clone " + ob.toString() + " \"" |
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+ cloneref + "\"", Project.MSG_VERBOSE); |
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Method m = ob.getClass().getMethod("clone", NO_ARGS); |
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try { |
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Object bo = m.invoke(ob, (Object[])NO_ARGS); |
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if (bo == null) { |
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throw new BuildException(m.toString() + " returned null"); |
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} |
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w.removeAttribute(CLONE_REF); |
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w.setProxy(bo); |
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w.setElementTag(null); |
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setRuntimeConfigurableWrapper(w); |
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if (bo instanceof Task) { |
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((Task) bo).setOwningTarget(getOwningTarget()); |
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((Task) bo).init(); |
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} |
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return bo; |
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} catch (Exception e) { |
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throw new BuildException(e); |
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} |
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} catch (NoSuchMethodException e) { |
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throw new BuildException( |
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"Unable to locate public clone method for object \"" |
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+ cloneref + "\""); |
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} |
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} |
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} |
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Matthew Jason Benson