stevel 01/12/24 22:13:41 Added: src/main/org/apache/tools/ant/taskdefs LoadFile.java Log: new loadfile task Revision Changes Path 1.1 jakarta-ant/src/main/org/apache/tools/ant/taskdefs/LoadFile.java Index: LoadFile.java =================================================================== /* * 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.Task; import org.apache.tools.ant.Project; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.ProjectHelper; import org.apache.tools.ant.types.EnumeratedAttribute; import java.io.File; import java.io.FileInputStream; import java.io.InputStreamReader; import java.io.IOException; import java.io.BufferedInputStream; /** * Load a file into a property * * @author Steve Loughran * @created 10 December 2001 */ public class LoadFile extends Task { /** * source file, usually null */ private File srcFile = null; /** * what to do when it goes pear-shaped */ private boolean failOnError = true; /** * Encoding to use for filenames, defaults to the platform's default * encoding. */ private String encoding = null; /** * name of property */ private String property = null; /** * Encoding to use for filenames, defaults to the platform's default * encoding. <p> * * For a list of possible values see <a href="http://java.sun.com/products/jdk/1.2/docs/guide/internat/encoding.doc.html";> * http://java.sun.com/products/jdk/1.2/docs/guide/internat/encoding.doc.html * </a>.</p> * * @param encoding The new Encoding value */ public void setEncoding(String encoding) { this.encoding = encoding; } /** * Sets the Property attribute of the LoadFile object * * @param property The new Property value */ public void setProperty(String property) { this.property = property; } /** * Sets the srcfile attribute. * * @param srcFile The new SrcFile value */ public void setSrcFile(File srcFile) { this.srcFile = srcFile; } /** * Sets the Failonerror attribute of the LoadFile object * * @param fail The new Failonerror value */ public void setFailonerror(boolean fail) { failOnError = fail; } /** * read in a source file to a property * * @exception BuildException if something goes wrong with the build */ public void execute() throws BuildException { //validation if (srcFile == null) { throw new BuildException("source file not defined"); } if (property == null) { throw new BuildException("output property not defined"); } FileInputStream fis = null; BufferedInputStream bis = null; InputStreamReader instream = null; log("loading "+srcFile+" into property "+property,Project.MSG_VERBOSE); try { long len = srcFile.length(); log("file size = "+len,Project.MSG_DEBUG); //discard most of really big files if (len > Integer.MAX_VALUE) { log("this file is far to big to load completely"); } int size=(int) len; char[] buffer = new char[size]; //open up the file fis = new FileInputStream(srcFile); bis = new BufferedInputStream(fis); if (encoding == null) { instream = new InputStreamReader(bis); } else { instream = new InputStreamReader(bis, encoding); } instream.read(buffer); String text = new String(buffer); project.setNewProperty(property, text); log("loaded "+buffer.length+" characters",Project.MSG_VERBOSE); log(property+" := "+text,Project.MSG_DEBUG); } catch (IOException ioe) { String message = "Unable to load file: " + ioe.toString(); if (failOnError) { throw new BuildException(message, ioe, location); } else { log(message, Project.MSG_ERR); } } finally { try { if (fis != null) { fis.close(); } } catch (IOException ioex) { } } } //end class }
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