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/* |
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* The Apache Software License, Version 1.1 |
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* |
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* Copyright (c) 2000-2002 The Apache Software Foundation. All rights |
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* reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if |
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* any, must include the following acknowlegement: |
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* "This product includes software developed by the |
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* Apache Software Foundation (http://www.apache.org/)." |
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* Alternately, this acknowlegement may appear in the software itself, |
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* if and wherever such third-party acknowlegements normally appear. |
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* |
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* 4. The names "The Jakarta Project", "Ant", and "Apache Software |
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* Foundation" must not be used to endorse or promote products derived |
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* from this software without prior written permission. For written |
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* permission, please contact apache@apache.org. |
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* |
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* 5. Products derived from this software may not be called "Apache" |
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* nor may "Apache" appear in their names without prior written |
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* permission of the Apache Group. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of the Apache Software Foundation. For more |
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* information on the Apache Software Foundation, please see |
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* <http://www.apache.org/>. |
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*/ |
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package org.apache.tools.ant.tasks; |
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import org.apache.tools.ant.*; |
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import org.apache.tools.ant.helper.*; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.UnsupportedEncodingException; |
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import java.util.Hashtable; |
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import java.util.Vector; |
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import java.util.Enumeration; |
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import java.util.Locale; |
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import java.util.Stack; |
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import org.xml.sax.Locator; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXParseException; |
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import org.xml.sax.XMLReader; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.DocumentHandler; |
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import org.xml.sax.Attributes; |
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import org.xml.sax.AttributeList; |
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import org.xml.sax.helpers.XMLReaderAdapter; |
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import org.xml.sax.helpers.DefaultHandler; |
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import org.xml.sax.helpers.AttributeListImpl; |
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import org.apache.tools.ant.util.JAXPUtils; |
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/** |
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* Import task. |
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* |
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* It must be 'top level'. On execution it'll read another file |
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* into the same Project. |
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* |
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* @author Nicola Ken Barozzi nicolaken@apache.org |
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* @author Dominique Devienne DDevienne@lgc.com |
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* @author Costin Manolache |
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*/ |
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public class Import extends Task { |
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String file; |
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public void setFile( String file ) { |
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// I don't think we can use File - different rules |
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// for relative paths. |
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this.file=file; |
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} |
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/** |
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* Initialisation routine called after handler creation |
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* with the element name and attributes. The attributes which |
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* this handler can deal with are: <code>"default"</code>, |
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* <code>"name"</code>, <code>"id"</code> and <code>"basedir"</code>. |
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* |
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* @param tag Name of the element which caused this handler |
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* to be created. Should not be <code>null</code>. |
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* Ignored in this implementation. |
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* @param attrs Attributes of the element which caused this |
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* handler to be created. Must not be <code>null</code>. |
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* |
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* @exception SAXParseException if an unexpected attribute is |
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* encountered or if the <code>"default"</code> attribute |
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* is missing. |
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*/ |
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public void execute() throws BuildException |
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{ |
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if (file == null) { |
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throw new BuildException("import element appears without a file attribute"); |
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} |
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ProjectHelperImpl2.AntXmlContext context; |
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context=(ProjectHelperImpl2.AntXmlContext)project.getReference("ant.parsing.context"); |
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context.importlevel++; |
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project.log("importlevel: "+(context.importlevel-1)+" -> "+(context.importlevel), |
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Project.MSG_DEBUG); |
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project.log("Importing file "+file+" from "+ |
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context.buildFile.getAbsolutePath(), |
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Project.MSG_VERBOSE); |
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// Paths are relative to the build file they're imported from, |
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// *not* the current directory (same as entity includes). |
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File importedFile = new File(file); |
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if (!importedFile.isAbsolute()) { |
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importedFile = new File(context.buildFileParent, file); |
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} |
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if (!importedFile.exists()) { |
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throw new BuildException("Cannot find "+file+" imported from "+ |
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context.buildFile.getAbsolutePath()); |
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} |
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// Add parent build file to the map to avoid cycles... |
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String parentFilename = getPath(context.buildFile); |
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if (!context.importedFiles.containsKey(parentFilename)) { |
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context.importedFiles.put(parentFilename, context.buildFile); |
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} |
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// Make sure we import the file only once |
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String importedFilename = getPath(importedFile); |
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if (context.importedFiles.containsKey(importedFilename)) { |
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project.log("\nSkipped already imported file:\n "+importedFilename+"\n", |
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Project.MSG_WARN); |
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return; |
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} else { |
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context.importedFiles.put(importedFilename, importedFile); |
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} |
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context.ignoreProjectTag=true; |
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context.helper.parse(project, importedFile, new ProjectHelperImpl2.RootHandler(context)); |
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context.importlevel--; |
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project.log("importlevel: "+context.importlevel+" <- "+ |
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(context.importlevel+1) ,Project.MSG_DEBUG); |
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} |
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private static String getPath(File file) { |
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try { |
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return file.getCanonicalPath(); |
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} |
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catch (IOException e) { |
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return file.getAbsolutePath(); |
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} |
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} |
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} |
Costin Manolache