gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / folders / impl / DefaultFoldersManager.java @ 1872
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.tools.folders.impl; |
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.lang.management.ManagementFactory; |
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import java.lang.management.RuntimeMXBean; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Set; |
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import javax.swing.filechooser.FileSystemView; |
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import org.apache.commons.io.FileUtils; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.commons.lang3.tuple.ImmutablePair; |
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import org.gvsig.tools.folders.FoldersManager; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class DefaultFoldersManager implements FoldersManager { |
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private static final Logger logger = LoggerFactory.getLogger(DefaultFoldersManager.class); |
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private File temporaryFolder; |
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private Map<String, File> folders; |
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private int uniqueCounter = 1; |
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public DefaultFoldersManager() {
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String temp = System.getenv("GVSIG_TEMP"); |
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File f;
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if (StringUtils.isEmpty(temp)) {
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temp = FileUtils.getTempDirectoryPath(); |
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// f = FileUtils.getFile(temp, "tmp-gvsig"+getPID());
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f = FileUtils.getFile(temp, "tmp-gvsig");
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} else {
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f = new File(temp); |
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} |
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this.setTemporaryFolder(f);
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Runtime.getRuntime().addShutdownHook(new Thread() { |
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@Override
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public void run() { |
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cleanTemporaryFiles(); |
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} |
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}); |
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} |
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private Map<String, File> getFolders() { |
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if( this.folders == null ) { |
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this.folders = new HashMap<>(); |
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} |
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return this.folders; |
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} |
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@Override
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public boolean isEmpty() { |
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return this.folders == null || this.folders.isEmpty(); |
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} |
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@Override
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public void setLastPath(String pathId, File path) { |
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if( StringUtils.isBlank(pathId) ) {
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throw new IllegalArgumentException("Invalid argument pathId, it is a blank string."); |
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} |
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this.getFolders().put("last.path." + pathId, path); |
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} |
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@Override
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public File getLastPath(String pathId, File defaultValue) { |
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if( !StringUtils.isBlank(pathId) ) {
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File path = this.getFolders().get("last.path." + pathId); |
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if (path != null) { |
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return path;
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} |
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} |
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if (defaultValue != null) { |
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return defaultValue;
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} |
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return FileSystemView.getFileSystemView().getHomeDirectory(); |
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} |
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@Override
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public Iterator<Map.Entry<String, File>> lastPathsIterator() { |
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final Iterator<Map.Entry<String, File>> it0 = this.getFolders().entrySet().iterator(); |
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Iterator<Map.Entry<String, File>> it = new Iterator<Map.Entry<String, File>>() { |
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Map.Entry<String, File> last = null; |
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@Override
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public boolean hasNext() { |
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while(it0.hasNext() ) {
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last = it0.next(); |
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if( StringUtils.startsWithIgnoreCase(last.getKey(), "last.path.")) { |
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return true; |
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} |
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} |
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return false; |
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} |
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@Override
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public Map.Entry<String, File> next() { |
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if( last==null ) { |
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return null; |
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} |
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return new ImmutablePair<>( |
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last.getKey().substring(10),
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last.getValue() |
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); |
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} |
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}; |
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return it;
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} |
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private int getPID() { |
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try {
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RuntimeMXBean rt = ManagementFactory.getRuntimeMXBean(); |
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int java_pid = Integer.parseInt(rt.getName().substring(0, rt.getName().indexOf("@"))); |
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return java_pid;
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} catch (Throwable th) { |
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return 0; |
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} |
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} |
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@Override
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public File getTemporaryFolder() { |
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return this.temporaryFolder; |
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} |
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@Override
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public void setTemporaryFolder(File folder) { |
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if (folder == null) { |
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throw new IllegalArgumentException("Can't set temporary folder to null."); |
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} |
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this.temporaryFolder = folder.getAbsoluteFile();
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this.createTemporaryFolder();
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} |
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@Override
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public void cleanTemporaryFiles() { |
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if (this.temporaryFolder == null) { |
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logger.warn("Can't clean temporary folder, is null.");
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} |
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try {
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FileUtils.cleanDirectory(this.temporaryFolder);
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} catch (IOException ex) { |
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logger.warn("Can't clean temporary folder (" + this.temporaryFolder.getAbsolutePath() + ").", ex); |
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} |
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} |
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@Override
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public File createTemporaryFolder() { |
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if (this.temporaryFolder == null) { |
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throw new RuntimeException("Can't create temporary folder, is null."); |
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} |
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try {
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FileUtils.forceMkdir(temporaryFolder); |
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} catch (IOException ex) { |
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throw new RuntimeException("Can't create temporary folder", ex); |
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} |
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return this.temporaryFolder; |
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} |
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@Override
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public File getTemporaryFile(String... pathComponents) { |
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if (this.temporaryFolder == null) { |
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throw new RuntimeException("Can't get temporary file, temporary folder is null."); |
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} |
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File f = FileUtils.getFile(temporaryFolder, pathComponents);
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return f;
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} |
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@Override
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public File getUniqueTemporaryFile(String... pathComponents) { |
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File f = getTemporaryFile(pathComponents);
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String fullName = f.getAbsolutePath();
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String name = FilenameUtils.removeExtension(fullName);
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String extension = FilenameUtils.getExtension(fullName);
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if (StringUtils.isEmpty(extension)) {
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fullName = name + "-" + Long.toHexString(System.currentTimeMillis()) + "-" + Integer.toHexString(uniqueCounter); |
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} else {
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fullName = name + "-" + Long.toHexString(System.currentTimeMillis()) + "-" + Integer.toHexString(uniqueCounter) + "." + extension; |
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} |
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uniqueCounter++; |
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return new File(fullName); |
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} |
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@Override
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public File createTemporaryFile(String basename, byte[] data) { |
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if (this.temporaryFolder == null) { |
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throw new RuntimeException("Can't create temporary file, temporary folder is null."); |
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} |
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File f = getTemporaryFile(basename);
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FileOutputStream fos = null; |
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try {
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fos = new FileOutputStream(f); |
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IOUtils.write(data, fos); |
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f.deleteOnExit(); |
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return f;
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} catch (IOException ex) { |
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throw new RuntimeException("Can't create temporaru file '" + f.getAbsolutePath() + "'."); |
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} finally {
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IOUtils.closeQuietly(fos); |
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} |
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} |
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@Override
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public File createTemporaryFile(String basename, String data) throws IOException { |
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return this.createTemporaryFile(basename, data.getBytes()); |
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} |
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@Override
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public void set(String id, File file) { |
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this.getFolders().put(id, file);
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} |
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@Override
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public File get(String id) { |
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return this.getFolders().get(id); |
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} |
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@Override
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public File get(String id, File defaultValue) { |
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if (this.getFolders().containsKey(id)) { |
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return this.getFolders().get(id); |
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} |
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return defaultValue;
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} |
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@Override
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public File getHome() { |
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File home = new File(System.getProperty("user.home")); |
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return home;
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} |
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@Override
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public Iterator<String> iterator() { |
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return this.getFolders().keySet().iterator(); |
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} |
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} |