?? exportaction.java
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/** Copyright (c) 2001 Sun Microsystems, Inc. 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 acknowledgment:* "This product includes software developed by the* Sun Microsystems, Inc. for Project JXTA."* Alternately, this acknowledgment may appear in the software itself,* if and wherever such third-party acknowledgments normally appear.** 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"* must not be used to endorse or promote products derived from this* software without prior written permission. For written* permission, please contact Project JXTA at http://www.jxta.org.** 5. Products derived from this software may not be called "JXTA",* nor may "JXTA" appear in their name, without prior written* permission of Sun.** 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 Project JXTA. For more* information on Project JXTA, please see* <http://www.jxta.org/>.** This license is based on the BSD license adopted by the Apache Foundation.** $Id: ExportAction.java,v 1.3 2007/01/26 21:54:31 bondolo Exp $*/package net.jxta.myjxta.ui.action;import net.jxta.logging.Logging;import net.jxta.myjxta.View;import net.jxta.myjxta.util.Constants;import net.jxta.myjxta.util.Group;import net.jxta.myjxta.util.Peer;import net.jxta.myjxta.util.Resources;import net.jxta.myjxta.util.objectmodel.GroupNode;import net.jxta.myjxta.util.objectmodel.JxtaNode;import net.jxta.myjxta.util.objectmodel.PeerNode;import net.jxta.protocol.PeerGroupAdvertisement;import net.jxta.protocol.PipeAdvertisement;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;import java.io.File;import java.io.FileWriter;import java.io.IOException;import java.io.StringReader;import java.util.ResourceBundle;import java.util.logging.Level;import java.util.logging.Logger;/** * * @version $Id: ExportAction.java,v 1.3 2007/01/26 21:54:31 bondolo Exp $ * * @author james todd [gonzo at jxta dot org] */public class ExportAction extends AbstractAction { private static final String HYPHEN = "-"; private static final String DOT = "."; private static final int BLOCK = 4 * 1024; private static final ResourceBundle STRINGS = Resources.getStrings(); private static final Logger LOG = Logger.getLogger(ExportAction.class.getName()); private View view = null; public ExportAction(String name, View view) { super(name); this.view = view; } public void actionPerformed(ActionEvent ae) { JxtaNode jn = this.view.getJxtaNode(JxtaNode.class); if (jn instanceof PeerNode || jn instanceof GroupNode) { process(getName(jn), getValue(jn)); } } private void process(String n, String v) { JFileChooser fc = new JFileChooser(); fc.setSelectedFile(new File(fc.getCurrentDirectory(), n)); if (fc.showSaveDialog((Frame)this.view) == JFileChooser.APPROVE_OPTION) { File f = fc.getSelectedFile(); if (f.isDirectory()) { f = new File(n); } File p = f.getParentFile(); if (! p.exists()) { p.mkdirs(); } FileWriter w = null; String msg = STRINGS.getString("status.export") + " " + n; try { w = new FileWriter(f, true); } catch (IOException ioe) { msg = STRINGS.getString("error.export") + " " + n; } if (w != null) { try { f.createNewFile(); StringReader r = new StringReader(v); char[] buf = new char[BLOCK]; int l = 0; while ((l = r.read(buf, 0, BLOCK)) > -1) { w.write(buf, 0, l); } } catch (IOException ioe) { msg = STRINGS.getString("error.export") + " " + n; } finally { if (w != null) { try { w.close(); } catch (IOException ioe) { if (Logging.SHOW_SEVERE && LOG.isLoggable(Level.SEVERE)) { LOG.log(Level.SEVERE, "Caught unexpected Exception", ioe); } } } } this.view.setStatus(msg); } } } private String getName(JxtaNode jn) { String n = null; if (jn instanceof PeerNode) { Peer p = ((PeerNode)jn).getPeer(); n = STRINGS.getString("label.peer.export") + HYPHEN + p.getName() + DOT + Constants.JXTA_RESOURCE; } else if (jn instanceof GroupNode) { Group g = ((GroupNode)jn).getGroup(); n = STRINGS.getString("label.group.export") + HYPHEN + g.getName() + DOT + Constants.JXTA_RESOURCE; } return n; } private String getValue(JxtaNode jn) { String v = null; if (jn instanceof PeerNode) { Peer p = ((PeerNode)jn).getPeer(); PipeAdvertisement pa = p.getPipeAdvertisement(); v = pa.toString(); } else if (jn instanceof GroupNode) { Group g = ((GroupNode)jn).getGroup(); PeerGroupAdvertisement pga = g.getPeerGroupAdvertisement(); v = pga.toString(); } return v; }}
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