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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2009 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | * Ferenc Hechler, ferenc_hechler@users.sourceforge.net - 83258 [jar exporter] Deploy java application as executable jar | |
11 | * Ferenc Hechler, ferenc_hechler@users.sourceforge.net - 213638 [jar exporter] create ANT build file for current settings | |
12 | * Ferenc Hechler, ferenc_hechler@users.sourceforge.net - 219530 [jar application] add Jar-in-Jar ClassLoader option | |
13 | *******************************************************************************/ | |
14 | package org.eclipse.jdt.internal.ui.jarpackagerfat; | |
15 | ||
16 | import java.io.ByteArrayOutputStream; | |
17 | import java.io.File; | |
18 | import java.io.IOException; | |
19 | import java.io.InputStream; | |
20 | ||
21 | import org.eclipse.swt.widgets.Display; | |
22 | import org.eclipse.swt.widgets.Shell; | |
23 | ||
24 | import org.eclipse.jface.dialogs.MessageDialog; | |
25 | ||
26 | import org.eclipse.jdt.internal.corext.util.Messages; | |
27 | ||
28 | import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; | |
29 | ||
30 | /** | |
31 | * Utility methods for Runnable JAR Import/Export. | |
32 | */ | |
33 | public final class FatJarPackagerUtil { | |
34 | ||
35 | static final String ANTSCRIPT_EXTENSION= "xml"; //$NON-NLS-1$ | |
36 | ||
37 | private FatJarPackagerUtil() { | |
38 | // Do nothing | |
39 | } | |
40 | ||
41 | public static boolean askToCreateAntScriptDirectory(final Shell parent, File directory) { | |
42 | if (parent == null) | |
43 | return false; | |
44 | ||
45 | return queryDialog(parent, FatJarPackagerMessages.FatJarPackage_confirmCreate_title, Messages.format(FatJarPackagerMessages.FatJarPackageAntScript_confirmCreate_message, BasicElementLabels.getPathLabel(directory))); | |
46 | } | |
47 | ||
48 | private static boolean queryDialog(final Shell parent, final String title, final String message) { | |
49 | Display display= parent.getDisplay(); | |
50 | if (display == null || display.isDisposed()) | |
51 | return false; | |
52 | ||
53 | final boolean[] returnValue= new boolean[1]; | |
54 | Runnable runnable= new Runnable() { | |
55 | public void run() { | |
56 | returnValue[0]= MessageDialog.openQuestion(parent, title, message); | |
57 | } | |
58 | }; | |
59 | display.syncExec(runnable); | |
60 | ||
61 | return returnValue[0]; | |
62 | } | |
63 | ||
64 | public static byte[] readInputStream(InputStream is) throws IOException { | |
65 | ByteArrayOutputStream result= new ByteArrayOutputStream(); | |
66 | byte[] buf= new byte[1024]; | |
67 | int cnt= is.read(buf); | |
68 | while (cnt > 0) { | |
69 | result.write(buf, 0, cnt); | |
70 | cnt= is.read(buf); | |
71 | } | |
72 | return result.toByteArray(); | |
73 | } | |
74 | ||
75 | /** | |
76 | * Increments [nr] for files in the format "[name][_nr][.ext]".<br> | |
77 | * Increment of "[name][.ext]" is "[name]_2[.ext]<br> | |
78 | * Increment of "[name]_2[.ext]" is "[name]_3[.ext]<br> | |
79 | * [.ext] might be empty<br> | |
80 | * | |
81 | * @param fileName the file name to increment | |
82 | * @return incremented filename | |
83 | */ | |
84 | public static String nextNumberedFileName(String fileName) { | |
85 | String name; | |
86 | String number; | |
87 | String ext; | |
88 | if (fileName.matches(".*[_]\\d+[.][^.]*")) { //$NON-NLS-1$ | |
89 | name= fileName.replaceFirst("(.*)[_](\\d+)([.][^.]*)", "$1"); //$NON-NLS-1$ //$NON-NLS-2$ | |
90 | number= fileName.replaceFirst("(.*)[_](\\d+)([.][^.]*)", "$2"); //$NON-NLS-1$ //$NON-NLS-2$ | |
91 | ext= fileName.replaceFirst("(.*)[_](\\d+)([.][^.]*)", "$3"); //$NON-NLS-1$ //$NON-NLS-2$ | |
92 | } else if (fileName.matches(".*[.][^.]*")) { //$NON-NLS-1$ | |
93 | name= fileName.replaceFirst("(.*)([.][^.]*)", "$1"); //$NON-NLS-1$ //$NON-NLS-2$ | |
94 | number= "1"; //$NON-NLS-1$ | |
95 | ext= fileName.replaceFirst("(.*)([.][^.]*)", "$2"); //$NON-NLS-1$ //$NON-NLS-2$ | |
96 | } else { | |
97 | name= fileName; | |
98 | number= "1"; //$NON-NLS-1$ | |
99 | ext= ""; //$NON-NLS-1$ | |
100 | } | |
101 | fileName= name + "_" + (Integer.parseInt(number) + 1) + ext; //$NON-NLS-1$ | |
102 | return fileName; | |
103 | } | |
104 | ||
105 | } |