001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU General
007: * Public License Version 2 only ("GPL") or the Common Development and Distribution
008: * License("CDDL") (collectively, the "License"). You may not use this file except in
009: * compliance with the License. You can obtain a copy of the License at
010: * http://www.netbeans.org/cddl-gplv2.html or nbbuild/licenses/CDDL-GPL-2-CP. See the
011: * License for the specific language governing permissions and limitations under the
012: * License. When distributing the software, include this License Header Notice in
013: * each file and include the License file at nbbuild/licenses/CDDL-GPL-2-CP. Sun
014: * designates this particular file as subject to the "Classpath" exception as
015: * provided by Sun in the GPL Version 2 section of the License file that
016: * accompanied this code. If applicable, add the following below the License Header,
017: * with the fields enclosed by brackets [] replaced by your own identifying
018: * information: "Portions Copyrighted [year] [name of copyright owner]"
019: *
020: * Contributor(s):
021: *
022: * The Original Software is NetBeans. The Initial Developer of the Original Software
023: * is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun Microsystems, Inc. All
024: * Rights Reserved.
025: *
026: * If you wish your version of this file to be governed by only the CDDL or only the
027: * GPL Version 2, indicate your decision by adding "[Contributor] elects to include
028: * this software in this distribution under the [CDDL or GPL Version 2] license." If
029: * you do not indicate a single choice of license, a recipient has the option to
030: * distribute your version of this file under either the CDDL, the GPL Version 2 or
031: * to extend the choice of license to its licensees as provided above. However, if
032: * you add GPL Version 2 code and therefore, elected the GPL Version 2 license, then
033: * the option applies only if the new code is made subject to such option by the
034: * copyright holder.
035: */
036:
037: package org.netbeans.installer.infra.build.ant;
038:
039: import java.io.File;
040: import java.io.IOException;
041: import org.apache.tools.ant.BuildException;
042: import org.apache.tools.ant.Task;
043: import org.netbeans.installer.infra.build.ant.utils.Utils;
044:
045: /**
046: * This class is an ant task which is capable of calculating an MD5 digital digest
047: * for a given file and output it to a project property.
048: *
049: * @author Kirill Sorokin
050: */
051: public class Md5 extends Task {
052: /////////////////////////////////////////////////////////////////////////////////
053: // Instance
054: /**
055: * File for which the digest should be calculated.
056: */
057: private File file;
058:
059: /**
060: * Name of the property whose value should contain the digest.
061: */
062: private String property;
063:
064: // setters //////////////////////////////////////////////////////////////////////
065: /**
066: * Setter for the 'file' property.
067: *
068: * @param path New value for the 'file' property.
069: */
070: public void setFile(final String path) {
071: file = new File(path);
072: if (!file.equals(file.getAbsoluteFile())) {
073: file = new File(getProject().getBaseDir(), path);
074: }
075: }
076:
077: /**
078: * Setter for the 'property' property.
079: *
080: * @param property New value for the 'property' property.
081: */
082: public void setProperty(final String property) {
083: this .property = property;
084: }
085:
086: // execution ////////////////////////////////////////////////////////////////////
087: /**
088: * Executes the task.
089: *
090: * @throws org.apache.tools.ant.BuildException if an I/O error occurs.
091: */
092: public void execute() throws BuildException {
093: Utils.setProject(getProject());
094:
095: try {
096: getProject().setProperty(property, Utils.getMd5(file));
097: } catch (IOException e) {
098: throw new BuildException(e);
099: }
100: }
101: }
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