src/main/java/org/apache/log4j/chainsaw/FileLoadAction.java - logging-chainsaw - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package org.apache.log4j.chainsaw;

 import java.awt.event.ActionEvent;
 import java.io.File;
 import java.io.IOException;
 import java.net.URL;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Vector;

 import javax.swing.AbstractAction;
 import javax.swing.JOptionPane;

 import org.apache.log4j.Logger;
 import org.apache.log4j.chainsaw.helper.SwingHelper;
 import org.apache.log4j.chainsaw.prefs.MRUFileList;
 import org.apache.log4j.helpers.Constants;
 import org.apache.log4j.spi.Decoder;
 import org.apache.log4j.spi.LoggingEvent;

 /**
  * Allows the user to specify a particular file to open and import the events
  * into a new tab.
  *
  * @author Paul Smith &lt;psmith@apache.org&gt;
  * @author Scott Deboy &lt;sdeboy@apache.org&gt;
  *
  */
 class FileLoadAction extends AbstractAction {
     private static final Logger LOG = Logger.getLogger(FileLoadAction.class);

     /**
      * This action must have a reference to a LogUI window so that it can append
      * the events it loads
      *
      */
     Decoder decoder = null;

     private LogUI parent;

     private boolean remoteURL = false;

     public FileLoadAction(LogUI parent, Decoder decoder, String title,
             boolean isRemoteURL) {
         super(title);
         remoteURL = isRemoteURL;
         this.decoder = decoder;
         this.parent = parent;
     }

     /*
      * When the user chooses the Load action, a File chooser is presented to
      * allow them to find an XML file to load events from.
      *
      * Any events decoded from this file are added to one of the tabs.
      *
      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
      */
     public void actionPerformed(ActionEvent e) {
         String name = "";
         URL url = null;

       if (!remoteURL) {
             try {
               File selectedFile = SwingHelper.promptForFile(parent, null, "Load Events from XML file or zipped XML file...", true);
               if (selectedFile != null) {
                 url = selectedFile.toURI().toURL();
                 name = selectedFile.getName();
               }
             } catch (Exception ex) {
                 // TODO: handle exception
             }
         } else {
             String urltext = JOptionPane
                     .showInputDialog(parent,
                             "<html>Please type in the <b>complete</b> URL to the remote XML source.</html>");

             if (urltext != null) {
                 try {
                     url = new URL(urltext);
                 } catch (Exception ex) {
                     JOptionPane.showMessageDialog(parent, "'" + urltext
                             + "' is not a valid URL.");
                 }
             }
         }

         if (url != null) {
             importURL(parent.handler, decoder, name, url);
             MRUFileList.log4jMRU().opened(url);
         }
     }

     /**
      * Imports a URL into Chainsaw, by using the Decoder, and
      * using the name value as the Application key which (usually) determines
      * the Tab name
      * @param name
      * @param url URL to import
      */
     public static void importURL(final ChainsawAppenderHandler handler, final Decoder decoder, String name, URL url) {
         Map additionalProperties = new HashMap();
         additionalProperties.put(Constants.HOSTNAME_KEY, "file");
         additionalProperties.put(Constants.APPLICATION_KEY, name);
         decoder.setAdditionalProperties(additionalProperties);

         final URL urlToUse = url;
         new Thread(new Runnable() {
             public void run() {
                 try {
                     Vector events = decoder.decode(urlToUse);
                     Iterator iter = events.iterator();
                     while (iter.hasNext()) {
                         handler.append((LoggingEvent) iter.next());
                     }
                 } catch (IOException e1) {
                     // TODO Handle the error with a nice msg
                     LOG.error(e1);
                 }
                 MRUFileList.log4jMRU().opened(urlToUse);
             }
         }).start();
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package org.apache.log4j.chainsaw;

	import java.awt.event.ActionEvent;
	import java.io.File;
	import java.io.IOException;
	import java.net.URL;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;
	import java.util.Vector;

	import javax.swing.AbstractAction;
	import javax.swing.JOptionPane;

	import org.apache.log4j.Logger;
	import org.apache.log4j.chainsaw.helper.SwingHelper;
	import org.apache.log4j.chainsaw.prefs.MRUFileList;
	import org.apache.log4j.helpers.Constants;
	import org.apache.log4j.spi.Decoder;
	import org.apache.log4j.spi.LoggingEvent;

	/**
	* Allows the user to specify a particular file to open and import the events
	* into a new tab.
	*
	* @author Paul Smith <psmith@apache.org>
	* @author Scott Deboy <sdeboy@apache.org>
	*
	*/
	class FileLoadAction extends AbstractAction {
	private static final Logger LOG = Logger.getLogger(FileLoadAction.class);

	/**
	* This action must have a reference to a LogUI window so that it can append
	* the events it loads
	*
	*/
	Decoder decoder = null;

	private LogUI parent;

	private boolean remoteURL = false;

	public FileLoadAction(LogUI parent, Decoder decoder, String title,
	boolean isRemoteURL) {
	super(title);
	remoteURL = isRemoteURL;
	this.decoder = decoder;
	this.parent = parent;
	}

	/*
	* When the user chooses the Load action, a File chooser is presented to
	* allow them to find an XML file to load events from.
	*
	* Any events decoded from this file are added to one of the tabs.
	*
	* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
	*/
	public void actionPerformed(ActionEvent e) {
	String name = "";
	URL url = null;

	if (!remoteURL) {
	try {
	File selectedFile = SwingHelper.promptForFile(parent, null, "Load Events from XML file or zipped XML file...", true);
	if (selectedFile != null) {
	url = selectedFile.toURI().toURL();
	name = selectedFile.getName();
	}
	} catch (Exception ex) {
	// TODO: handle exception
	}
	} else {
	String urltext = JOptionPane
	.showInputDialog(parent,
	"<html>Please type in the <b>complete</b> URL to the remote XML source.</html>");

	if (urltext != null) {
	try {
	url = new URL(urltext);
	} catch (Exception ex) {
	JOptionPane.showMessageDialog(parent, "'" + urltext
	+ "' is not a valid URL.");
	}
	}
	}

	if (url != null) {
	importURL(parent.handler, decoder, name, url);
	MRUFileList.log4jMRU().opened(url);
	}
	}

	/**
	* Imports a URL into Chainsaw, by using the Decoder, and
	* using the name value as the Application key which (usually) determines
	* the Tab name
	* @param name
	* @param url URL to import
	*/
	public static void importURL(final ChainsawAppenderHandler handler, final Decoder decoder, String name, URL url) {
	Map additionalProperties = new HashMap();
	additionalProperties.put(Constants.HOSTNAME_KEY, "file");
	additionalProperties.put(Constants.APPLICATION_KEY, name);
	decoder.setAdditionalProperties(additionalProperties);

	final URL urlToUse = url;
	new Thread(new Runnable() {
	public void run() {
	try {
	Vector events = decoder.decode(urlToUse);
	Iterator iter = events.iterator();
	while (iter.hasNext()) {
	handler.append((LoggingEvent) iter.next());
	}
	} catch (IOException e1) {
	// TODO Handle the error with a nice msg
	LOG.error(e1);
	}
	MRUFileList.log4jMRU().opened(urlToUse);
	}
	}).start();
	}
	}