📄 util.java
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/* * Copyright (c) 2003-2004, KNOPFLERFISH project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - 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. * * - Neither the name of the KNOPFLERFISH project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS 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 * COPYRIGHT OWNER OR 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. */package org.knopflerfish.bundle.log.window.impl;import java.util.*;import java.text.*;import java.io.*;import java.net.URL;import org.osgi.framework.*;import org.osgi.service.log.*;import org.knopflerfish.service.log.LogRef;import org.knopflerfish.util.Text;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.event.*;public class Util { public static String shortLocation(String s) { int ix = s.lastIndexOf("/"); // handle eclipse extended location directory syntax if(s.endsWith("/")) { ix = s.lastIndexOf("/", ix - 1); } if(ix == -1) { ix = s.lastIndexOf("\\"); } if(ix != -1) { return s.substring(ix + 1); } return s; } public static String shortName(Bundle b) { String s = b.getLocation(); int ix = s.lastIndexOf("/"); if(ix == -1) ix = s.lastIndexOf("\\"); if(ix != -1) { s = s.substring(ix + 1); } if(s.endsWith(".jar")) { s = s.substring(0, s.length() - 4); } return s; } public static String getBundleName(Bundle b) { String s = getHeader(b, "Bundle-Name", ""); if(s == null || "".equals(s) || s.startsWith("%")) { s = shortLocation(b.getLocation()); } return s; } public static String getHeader(Bundle b, String name) { return getHeader(b, name, null); } public static String getHeader(Bundle b, String name, String def) { String s = b != null ? (String)b.getHeaders().get(name) : def; return s; } public static String toHTML(ExtLogEntry e) { StringBuffer sb = new StringBuffer(); sb.append("<html>"); sb.append("<table border=0 width=\"100%\">"); sb.append("<tr bgcolor=\"#eeeeee\">"); sb.append("<td width=50 valign=top align=left bgcolor=\"#eeeeee\">" + fontify(e.getId() + ", "+ shortName(e.getBundle())) + "</td>") ; sb.append("<td valign=top align=left bgcolor=\"#eeeeee\">" + fontify(tf.format(new Date(e.getTime()))) + "</td>"); sb.append("<td valign=top align=right bgcolor=\"#eeeeee\">" + fontify(levelString(e.getLevel())) + "</td>"); sb.append("</tr>"); sb.append("<tr>"); sb.append("<td width=\"100%\" colspan=3>"); sb.append(fontify(e.getMessage())); sb.append("</td>"); sb.append("</tr>"); Throwable t = e.getException(); if(t != null) { sb.append("<tr bgcolor=\"#eeeeee\">"); sb.append("<td colspan=3 align=left bgcolor=\"#eeeeee\">" + fontify("Exception")); sb.append("</td>"); sb.append("</tr>"); sb.append("<tr>"); sb.append("<td colspan=3>"); StringWriter w = new StringWriter(); t.printStackTrace(new PrintWriter(w)); sb.append(fontify(Text.replace(w.toString(), "\n", "<br>"))); sb.append("</td>"); sb.append("</tr>"); } sb.append("</table>"); sb.append("</font>\n"); sb.append("</html>"); return sb.toString(); } static public String fontify(String s) { return fontify(s, "-2"); } static public String fontify(String s, String size) { return "<font size=\"" + size + "\" face=\"Verdana, Arial, Helvetica, sans-serif\">" + s + "</font>"; } public static String toString(LogEntry e) { String s = "Time: " + tf.format(new Date(e.getTime())) + "\n" + "Level: " + levelString(e.getLevel()) + "\n" + "Message: " + e.getMessage() + "\n"; Throwable t = e.getException(); if(t != null) { StringWriter w = new StringWriter(); t.printStackTrace(new PrintWriter(w)); s = s + w.toString(); } return s; } static SimpleDateFormat tf = new SimpleDateFormat("MMM dd HH:mm:ss "); static String[] levels = { "error", "warning", "info", "debug", }; public static String levelString(int n) { try { return levels[n-1]; } catch (Exception e) { return "Unknown:" + n; } } public static StringBuffer pad(StringBuffer sb, int n) { while(sb.length() < n) sb.append(" "); return sb; }}⌨️ 快捷键说明
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