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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6225 new Concatenate task. supports path (not fileset), append, filters Summary: new Concatenate task. supports path (not fileset), append, filters Product: Ant Version: 1.5 alpha (nightly) Platform: All OS/Version: All Status: NEW Severity: Enhancement Priority: Other Component: Core tasks AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] /* * The Apache Software License, Version 1.1 * * Copyright (c) 1999 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 [EMAIL PROTECTED] * * 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.types.*; import org.apache.tools.ant.util.*; import java.io.*; import java.util.*; /** * A consolidated concatenate task. Concatenates one or more files * to a destination file. It takes a path (not a fileset, therefore * it's ordered). It can optionally append to an existing destination * file. It also supports filters like the copy task.</p> * * <concatenate toFile="wl_server/my_ejb_sql.txt" append="true"> * <src> * <path location="${wlconfigDir}/base.config.xml"/> * <path location="${ejbTemp}/ejb.config.xml"/> * <fileset dir="wl_server"> * <include name="my.config.xml"/> * </fileset> * </src> * <filterset begintoken="%" endtoken="%" id="config.filters"> * <filter token="WL_SERVER" value="${wl.server}"/> * <filter token="PROJECT_NAME" value="repeg"/> * <filter token="PROJECT_HOME" value="${project.home}"/> * <filter token="LOCAL_CONFIG_DIR" value="${local.config.dir}"/> * <filter token="ORACLE_SID" value="${oracle.sid}"/> * <filter token="WEBLOGIC_PORT_BASE" value="${weblogic.port}"/> * </filterset> * </concatenate> * * * <p>This implementation is based on the Copy task in Ant 1.4.1</p> * * @author Mohammad Rezaei */ public class Concatenate extends Task { protected File file = null; // the source file protected File destFile = null; // the destination file protected Path src; protected boolean filtering = false; protected boolean append = false; protected int verbosity = Project.MSG_VERBOSE; private Vector filterSets = new Vector(); /** * Sets a single source file to copy. */ public void setFile(File file) { this.file = file; } /** * Sets the destination file. */ public void setTofile(File destFile) { this.destFile = destFile; } /** * Create a nested filterset */ public FilterSet createFilterSet() { FilterSet filterSet = new FilterSet(); filterSets.addElement(filterSet); return filterSet; } /** * Get the filtersets being applied to this operation. * * @return a vector of FilterSet objects */ protected Vector getFilterSets() { return filterSets; } /** * Sets filtering. */ public void setFiltering(boolean filtering) { this.filtering = filtering; } /** * Append to the existing file */ public void setAppend(boolean append) { this.append = append; } /** * Used to force listing of all names of copied files. */ public void setVerbose(boolean verbose) { if (verbose) { this.verbosity = Project.MSG_INFO; } else { this.verbosity = Project.MSG_VERBOSE; } } /** * Create a nested <src ...> element for multiple source path * support. * * @return a nested src element. */ public Path createSrc() { if (src == null) { src = new Path(project); } return src.createPath(); } /** * Performs the concatenate operation. */ public void execute() throws BuildException { // make sure we don't have an illegal set of options validateAttributes(); // Get the list of path components in canonical form String[] elems = src.list(); String toFile = destFile.getPath(); FilterSetCollection filters = new FilterSetCollection(); if (filtering) { filters.addFilterSet(project.getGlobalFilterSet()); } for (Enumeration filterEnum = filterSets.elements(); filterEnum.hasMoreElements();) { filters.addFilterSet((FilterSet)filterEnum.nextElement()); } try { if (append) log("Appending to "+toFile, verbosity); else log("Writing to "+toFile, verbosity); if (filters != null && filters.hasFilters()) { BufferedWriter writer = new BufferedWriter(new FileWriter(toFile, append)); for( int i=0; i < elems.length; i++ ) { String fromFile = elems[i]; log("Concatenating " + fromFile + " with filters", verbosity); concatenateWithFilter(fromFile, writer, filters); } writer.close(); } else { FileOutputStream out = new FileOutputStream(toFile, append); for( int i=0; i < elems.length; i++ ) { String fromFile = elems[i]; log("Concatenating " + fromFile, verbosity); concatenate(fromFile, out); } out.close(); } } catch(IOException e) { throw new BuildException("Unexpected io exception: "+e.getClass().getName()+": "+e.getMessage()); } } //************************************************************************ // protected and private methods //************************************************************************ /** * Ensure we have a consistent and legal set of attributes, and set * any internal flags necessary based on different combinations * of attributes. */ protected void validateAttributes() throws BuildException { if (src == null) { throw new BuildException("Specify at least one source file."); } if (destFile == null) { throw new BuildException("destfile must be set."); } } protected void concatenateWithFilter(String fromFile, BufferedWriter writer, FilterSetCollection filters) throws IOException { BufferedReader in = new BufferedReader(new FileReader(fromFile)); int length; String newline = null; String line = in.readLine(); while (line != null) { if (line.length() == 0) { writer.newLine(); } else { newline = filters.replaceTokens(line); writer.write(newline); writer.newLine(); } line = in.readLine(); } in.close(); } protected void concatenate(String fromFile, OutputStream out) throws IOException { FileInputStream in = new FileInputStream(fromFile); byte[] buffer = new byte[8 * 1024]; int count = 0; do { out.write(buffer, 0, count); count = in.read(buffer, 0, buffer.length); } while (count != -1); in.close(); } } -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
