content: /**
   * 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.activemq.maven;
  
  import java.io.File;
  import java.net.MalformedURLException;
  import java.net.URL;
  
  /**
   * Helper to convert relative paths to XBean description files to URL-compliant absolute paths.
   * 
   * @author Marc CARRE <carre.marc@gmail.com>
   */
  public class XBeanFileResolver {
      private static final String XBEAN_FILE = "xbean:file:";
  
      /**
       * Check if the provided path is an URL to a XBean file (xbean:file:<path/to/file>)
       */
      public boolean isXBeanFile(final String configUri) {
          return configUri.startsWith(XBEAN_FILE);
      }
  
      /**
       * Convert provided path into a URL-style absolute path. See also:
       * http://maven.apache.org/plugin-developers/common-bugs.html# Converting_between_URLs_and_Filesystem_Paths
       */
      public String toUrlCompliantAbsolutePath(final String configUri) {
          if (!isXBeanFile(configUri))
              return configUri;
  
          String filePath = extractFilePath(configUri);
          return XBEAN_FILE + toAbsolutePath(filePath);
      }
  
      private String extractFilePath(final String configUri) {
          return configUri.substring(getIndexFilePath(configUri), configUri.length());
      }
  
      private int getIndexFilePath(final String configUri) {
          return configUri.indexOf(XBEAN_FILE) + XBEAN_FILE.length();
      }
  
      private String toAbsolutePath(final String path) {
          try {
              final URL url = new File(path).toURI().toURL();
              return toFilePath(url);
          } catch (MalformedURLException e) {
              throw new RuntimeException("Failed to resolve relative path for: " + path, e);
          }
      }
  
      private String toFilePath(final URL url) {
          String filePath = url.getFile();
          return underWindows() ? removePrependingSlash(filePath) : filePath;
      }
  
      private String removePrependingSlash(String filePath) {
          // Remove prepending '/' because path would be /C:/temp/file.txt, as URL would be file:/C:/temp/file.txt
          return filePath.substring(1, filePath.length());
      }
  
      private boolean underWindows() {
          String os = System.getProperty("os.name").toLowerCase();
          return (os.indexOf("win") >= 0);
      }
  }
  