1   
    2   
    3   /*
    4    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
    5    * 
    6    * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
    7    * 
    8    * Portions Copyright Apache Software Foundation.
    9    * 
   10    * The contents of this file are subject to the terms of either the GNU
   11    * General Public License Version 2 only ("GPL") or the Common Development
   12    * and Distribution License("CDDL") (collectively, the "License").  You
   13    * may not use this file except in compliance with the License. You can obtain
   14    * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
   15    * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
   16    * language governing permissions and limitations under the License.
   17    * 
   18    * When distributing the software, include this License Header Notice in each
   19    * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
   20    * Sun designates this particular file as subject to the "Classpath" exception
   21    * as provided by Sun in the GPL Version 2 section of the License file that
   22    * accompanied this code.  If applicable, add the following below the License
   23    * Header, with the fields enclosed by brackets [] replaced by your own
   24    * identifying information: "Portions Copyrighted [year]
   25    * [name of copyright owner]"
   26    * 
   27    * Contributor(s):
   28    * 
   29    * If you wish your version of this file to be governed by only the CDDL or
   30    * only the GPL Version 2, indicate your decision by adding "[Contributor]
   31    * elects to include this software in this distribution under the [CDDL or GPL
   32    * Version 2] license."  If you don't indicate a single choice of license, a
   33    * recipient has the option to distribute your version of this file under
   34    * either the CDDL, the GPL Version 2 or to extend the choice of license to
   35    * its licensees as provided above.  However, if you add GPL Version 2 code
   36    * and therefore, elected the GPL Version 2 license, then the option applies
   37    * only if the new code is made subject to such option by the copyright
   38    * holder.
   39    */
   40   
   41   package org.apache.tomcat.util.compat;
   42   
   43   import java.io.File;
   44   import java.io.IOException;
   45   import java.net.URI;
   46   import java.net.URL;
   47   import java.net.MalformedURLException;
   48   
   49   import com.sun.org.apache.commons.logging.Log;
   50   import com.sun.org.apache.commons.logging.LogFactory;
   51   
   52   
   53   /**
   54    *  See JdkCompat. This is an extension of that class for Jdk1.4 support.
   55    *
   56    * @author Tim Funk
   57    * @author Remy Maucherat
   58    */
   59   public class Jdk14Compat extends JdkCompat {
   60   
   61       // ----------------------------------------------------------- Constructors
   62       /**
   63        *  Default no-arg constructor
   64        */
   65       protected Jdk14Compat() {
   66       }
   67   
   68   
   69       // --------------------------------------------------------- Public Methods
   70   
   71       /**
   72        *  Return the URI for the given file. Originally created for
   73        *  o.a.c.loader.WebappClassLoader
   74        *
   75        *  @param File to wrap into URI
   76        *  @return A URI as a URL
   77        */
   78       public URL getURI(File file)
   79           throws MalformedURLException {
   80   
   81           File realFile = file;
   82           try {
   83               realFile = realFile.getCanonicalFile();
   84           } catch (IOException e) {
   85               // Ignore
   86           }
   87   
   88           return realFile.toURI().toURL();
   89       }
   90   
   91   
   92       /**
   93        *  Return the maximum amount of memory the JVM will attempt to use.
   94        */
   95       public long getMaxMemory() {
   96           return Runtime.getRuntime().maxMemory();
   97       }
   98   
   99   
  100       /**
  101        * Print out a partial servlet stack trace (truncating at the last 
  102        * occurrence of javax.servlet.).
  103        */
  104       public String getPartialServletStackTrace(Throwable t) {
  105           StringBuffer trace = new StringBuffer();
  106           trace.append(t.toString()).append('\n');
  107           StackTraceElement[] elements = t.getStackTrace();
  108           int pos = elements.length;
  109           for (int i = 0; i < elements.length; i++) {
  110               if ((elements[i].getClassName().startsWith
  111                    ("org.apache.catalina.core.ApplicationFilterChain"))
  112                   && (elements[i].getMethodName().equals("internalDoFilter"))) {
  113                   pos = i;
  114               }
  115           }
  116           for (int i = 0; i < pos; i++) {
  117               if (!(elements[i].getClassName().startsWith
  118                     ("org.apache.catalina.core."))) {
  119                   trace.append('\t').append(elements[i].toString()).append('\n');
  120               }
  121           }
  122           return trace.toString();
  123       }
  124   
  125       public  String [] split(String path, String pat) {
  126           return path.split(pat);
  127       }
  128    }