author | ksrini |
Sun, 15 Jun 2014 08:41:57 -0700 | |
changeset 25454 | 376a52c9540c |
parent 24221 | 2376793dd33b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.doclets.internal.toolkit.builders; |
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import java.io.*; |
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import java.lang.reflect.*; |
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import java.util.*; |
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import com.sun.javadoc.PackageDoc; |
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import com.sun.tools.doclets.internal.toolkit.*; |
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import com.sun.tools.doclets.internal.toolkit.util.*; |
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/** |
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* The superclass for all builders. A builder is a class that provides |
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* the structure and content of API documentation. A builder is completely |
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* doclet independent which means that any doclet can use builders to |
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* construct documentation, as long as it impelements the appropriate |
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* writer interfaces. For example, if a doclet wanted to use |
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* {@link ConstantsSummaryBuilder} to build a constant summary, all it has to |
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* do is implement the ConstantsSummaryWriter interface and pass it to the |
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* builder using a WriterFactory. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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* |
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* @author Jamie Ho |
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* @since 1.5 |
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*/ |
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public abstract class AbstractBuilder { |
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public static class Context { |
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/** |
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* The configuration used in this run of the doclet. |
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*/ |
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final Configuration configuration; |
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/** |
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* Keep track of which packages we have seen for |
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* efficiency purposes. We don't want to copy the |
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* doc files multiple times for a single package. |
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*/ |
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final Set<PackageDoc> containingPackagesSeen; |
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/** |
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* Shared parser for the builder XML file |
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*/ |
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final LayoutParser layoutParser; |
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Context(Configuration configuration, |
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Set<PackageDoc> containingPackagesSeen, |
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LayoutParser layoutParser) { |
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this.configuration = configuration; |
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this.containingPackagesSeen = containingPackagesSeen; |
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this.layoutParser = layoutParser; |
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} |
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} |
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/** |
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* The configuration used in this run of the doclet. |
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*/ |
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protected final Configuration configuration; |
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protected final Utils utils; |
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/** |
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* Keep track of which packages we have seen for |
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* efficiency purposes. We don't want to copy the |
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* doc files multiple times for a single package. |
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*/ |
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protected final Set<PackageDoc> containingPackagesSeen; |
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protected final LayoutParser layoutParser; |
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/** |
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* True if we want to print debug output. |
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*/ |
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protected static final boolean DEBUG = false; |
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/** |
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* Construct a Builder. |
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* @param configuration the configuration used in this run |
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* of the doclet. |
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*/ |
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public AbstractBuilder(Context c) { |
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this.configuration = c.configuration; |
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this.utils = configuration.utils; |
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this.containingPackagesSeen = c.containingPackagesSeen; |
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this.layoutParser = c.layoutParser; |
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} |
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/** |
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* Return the name of this builder. |
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* |
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* @return the name of the builder. |
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*/ |
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public abstract String getName(); |
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/** |
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* Build the documentation. |
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* |
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* @throws IOException there was a problem writing the output. |
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*/ |
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public abstract void build() throws IOException; |
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/** |
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* Build the documentation, as specified by the given XML element. |
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* |
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* @param node the XML element that specifies which component to document. |
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* @param contentTree content tree to which the documentation will be added |
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*/ |
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protected void build(XMLNode node, Content contentTree) { |
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String component = node.name; |
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try { |
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invokeMethod("build" + component, |
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new Class<?>[]{XMLNode.class, Content.class}, |
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new Object[]{node, contentTree}); |
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} catch (NoSuchMethodException e) { |
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e.printStackTrace(); |
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configuration.root.printError("Unknown element: " + component); |
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throw new DocletAbortException(e); |
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} catch (InvocationTargetException e) { |
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throw new DocletAbortException(e.getCause()); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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configuration.root.printError("Exception " + |
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e.getClass().getName() + |
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" thrown while processing element: " + component); |
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throw new DocletAbortException(e); |
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} |
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} |
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/** |
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* Build the documentation, as specified by the children of the given XML element. |
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* |
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* @param node the XML element that specifies which components to document. |
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* @param contentTree content tree to which the documentation will be added |
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*/ |
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protected void buildChildren(XMLNode node, Content contentTree) { |
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for (XMLNode child : node.children) |
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build(child, contentTree); |
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} |
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/** |
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* Given the name and parameters, invoke the method in the builder. This |
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* method is required to invoke the appropriate build method as instructed |
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* by the builder XML file. |
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* |
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* @param methodName the name of the method that we would like to invoke. |
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* @param paramClasses the types for each parameter. |
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* @param params the parameters of the method. |
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*/ |
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protected void invokeMethod(String methodName, Class<?>[] paramClasses, |
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Object[] params) |
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throws Exception { |
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if (DEBUG) { |
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configuration.root.printError("DEBUG: " + this.getClass().getName() + "." + methodName); |
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} |
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Method method = this.getClass().getMethod(methodName, paramClasses); |
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method.invoke(this, params); |
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} |
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} |