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.utils.system;
038:
039: import java.io.File;
040: import java.io.IOException;
041: import java.util.List;
042: import org.netbeans.installer.utils.FileUtils;
043: import org.netbeans.installer.utils.LogManager;
044: import org.netbeans.installer.utils.StringUtils;
045: import org.netbeans.installer.utils.SystemUtils;
046:
047: /**
048: *
049: * @author Kirill Sorokin
050: */
051: public class LinuxNativeUtils extends UnixNativeUtils {
052: public static final String LIBRARY_PREFIX_LINUX = NATIVE_JNILIB_RESOURCE_SUFFIX
053: + "linux/"; //NOI18N
054:
055: public static final String LIBRARY_I386 = "linux.so"; //NO18N
056: public static final String LIBRARY_AMD64 = "linux-amd64.so"; //NO18N
057:
058: private static final String PROC_MOUNTS_FILE = "/proc/mounts";
059:
060: public static final String[] FORBIDDEN_DELETING_FILES_LINUX = {};
061:
062: LinuxNativeUtils() {
063: String library = System.getProperty("os.arch").equals("amd64") ? LIBRARY_AMD64
064: : LIBRARY_I386;
065:
066: loadNativeLibrary(LIBRARY_PREFIX_LINUX + library);
067:
068: initializeForbiddenFiles(FORBIDDEN_DELETING_FILES_LINUX);
069: }
070:
071: public File getDefaultApplicationsLocation() {
072: File usrlocal = new File("/usr/local");
073:
074: if (usrlocal.exists() && usrlocal.isDirectory()
075: && FileUtils.canWrite(usrlocal)) {
076: return usrlocal;
077: } else {
078: return SystemUtils.getUserHomeDirectory();
079: }
080: }
081:
082: @Override
083: public List<File> getFileSystemRoots() throws IOException {
084: List<File> roots = super .getFileSystemRoots();
085: final File mounts = new File(PROC_MOUNTS_FILE);
086: try {
087: if (FileUtils.exists(mounts) && FileUtils.canRead(mounts)) {
088: List<String> strings = FileUtils.readStringList(mounts);
089: for (int i = 0; i < strings.size(); i++) {
090: String line = strings.get(i).trim();
091: final int firstSpaceIndex = line
092: .indexOf(StringUtils.SPACE);
093: if (firstSpaceIndex != -1) {
094: String mountPoint = line.substring(
095: firstSpaceIndex + 1).trim();
096: final int nextSpaceIndex = mountPoint
097: .indexOf(StringUtils.SPACE);
098: if (nextSpaceIndex != -1) {
099: mountPoint = mountPoint.substring(0,
100: nextSpaceIndex);
101: if (mountPoint.startsWith(File.separator)) {
102: final File mountFile = new File(
103: mountPoint);
104: if (!roots.contains(mountFile)) {
105: LogManager
106: .log("... adding mount point from /proc/mounts: "
107: + mountFile);
108: roots.add(mountFile);
109: }
110: }
111: }
112:
113: }
114: }
115: }
116: } catch (IOException e) {
117: LogManager.log("... cannot read " + mounts, e);
118: }
119: return roots;
120: }
121:
122: }
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