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