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The source code/* * Copyright 1999-2004 The Apache Software Foundation * * Licensed 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.tomcat.util.compat; import java.io.File; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** * See JdkCompat. This is an extension of that class for Jdk1.4 support. * * @author Tim Funk * @author Remy Maucherat */ public class Jdk14Compat extends JdkCompat { // -------------------------------------------------------------- Constants // ------------------------------------------------------- Static Variables static Log logger = LogFactory.getLog(Jdk14Compat.class); // ----------------------------------------------------------- Constructors /** * Default no-arg constructor */ protected Jdk14Compat() { } // --------------------------------------------------------- Public Methods /** * Return the URI for the given file. Originally created for * o.a.c.loader.WebappClassLoader * * @param File to wrap into URI * @return A URI as a URL */ public URL getURI(File file) throws MalformedURLException { File realFile = file; try { realFile = realFile.getCanonicalFile(); } catch (IOException e) { // Ignore } return realFile.toURI().toURL(); } /** * Return the maximum amount of memory the JVM will attempt to use. */ public long getMaxMemory() { return Runtime.getRuntime().maxMemory(); } /** * Print out a partial servlet stack trace (truncating at the last * occurrence of javax.servlet.). */ public String getPartialServletStackTrace(Throwable t) { StringBuffer trace = new StringBuffer(); trace.append(t.toString()).append('\n'); StackTraceElement[] elements = t.getStackTrace(); int pos = elements.length; for (int i = 0; i < elements.length; i++) { if ((elements[i].getClassName().startsWith ("org.apache.catalina.core.ApplicationFilterChain")) && (elements[i].getMethodName().equals("internalDoFilter"))) { pos = i; } } for (int i = 0; i < pos; i++) { if (!(elements[i].getClassName().startsWith ("org.apache.catalina.core."))) { trace.append('\t').append(elements[i].toString()).append('\n'); } } return trace.toString(); } public String [] split(String path, String pat) { return path.split(pat); } } |
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