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   * Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
   * The contents of this file are subject to the terms of either the GNU
   * General Public License Version 2 only ("GPL") or the Common Development
   * and Distribution License("CDDL") (collectively, the "License").  You
   * may not use this file except in compliance with the License.  You can
  * obtain a copy of the License at
  * or packager/legal/LICENSE.txt.  See the License for the specific
  * language governing permissions and limitations under the License.
  * When distributing the software, include this License Header Notice in each
  * file and include the License file at packager/legal/LICENSE.txt.
  * GPL Classpath Exception:
  * Oracle designates this particular file as subject to the "Classpath"
  * exception as provided by Oracle in the GPL Version 2 section of the License
  * file that accompanied this code.
  * Modifications:
  * If applicable, add the following below the License Header, with the fields
  * enclosed by brackets [] replaced by your own identifying information:
  * "Portions Copyright [year] [name of copyright owner]"
  * Contributor(s):
  * If you wish your version of this file to be governed by only the CDDL or
  * only the GPL Version 2, indicate your decision by adding "[Contributor]
  * elects to include this software in this distribution under the [CDDL or GPL
  * Version 2] license."  If you don't indicate a single choice of license, a
  * recipient has the option to distribute your version of this file under
  * either the CDDL, the GPL Version 2 or to extend the choice of license to
  * its licensees as provided above.  However, if you add GPL Version 2 code
  * and therefore, elected the GPL Version 2 license, then the option applies
  * only if the new code is made subject to such option by the copyright
  * holder.
 package com.sun.jersey.api.core;
 import java.util.Map;
A mutable implementation of DefaultResourceConfig that dynamically searches for root resource and provider classes in the files and directories declared by the property PROPERTY_CLASSPATH. That property MUST be included in the map of initial properties passed to the constructor.

Frank D. Martinez.
 public class ClasspathResourceConfig extends ScanningResourceConfig {
The property value MUST be an instance String or String[]. Each String instance represents one or more paths that MUST be separated by ';', ',' or ' ' (space). Each path MUST be an absolute or relative directory, or a Jar file. The contents of a directory, including Java class files, jars files and sub-directories (recursively) are scanned. The Java class files of a jar file are scanned.

Root resource classes MUST be present in the Java class path.

     public static final String PROPERTY_CLASSPATH
             = "";
     private static final Logger LOGGER = 
     public ClasspathResourceConfig() {

props the property bag that contains the property PROPERTY_CLASSPATH.
     public ClasspathResourceConfig(Map<StringObjectprops) {


paths the array paths consisting of either jar files or directories containing jar files for class files.
     public ClasspathResourceConfig(String[] paths) {
         if (paths == null || paths.length == 0)
             throw new IllegalArgumentException(
                     "Array of paths must not be null or empty");
    private void init(String[] paths) {    
        final File[] files = new File[paths.length];
        for (int i = 0;  i < paths.lengthi++) {
            files[i] = new File(paths[i]);
        if (.isLoggable(.)) {
            StringBuilder b = new StringBuilder();
            b.append("Scanning for root resource and provider classes in the paths:");
            for (String p : paths)
                b.append('\n').append("  ").append(p);
        init(new FilesScanner(files));
    private static String[] getPaths() {
        String classPath = System.getProperty("java.class.path");
        return classPath.split(.);                
    private static String[] getPaths(Map<StringObjectprops) {
        Object v = props.get();
        if (v == null)
            throw new IllegalArgumentException( + 
                    " property is missing");
        String[] paths = getPaths(v);
        if (paths.length == 0)
            throw new IllegalArgumentException( + 
                    " contains no paths");
        return paths;
    private static String[] getPaths(Object param) {
        if (param instanceof String) {
            return getElements(new String[] { (String)param }, .);
        } else if (param instanceof String[]) {
            return getElements((String[])param.);
        } else {
            throw new IllegalArgumentException( + " must " +
                    "have a property value of type String or String[]");
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