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    1   /*
    2    * $Id: PlexusUtils.java 471756 2006-11-06 15:01:43Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts2.plexus;
    22
    23  import java.io.ByteArrayInputStream;
    24  import java.io.InputStream;
    25  import java.io.InputStreamReader;
    26
    27  import org.apache.commons.logging.Log;
    28  import org.apache.commons.logging.LogFactory;
    29  import org.codehaus.plexus.PlexusContainer;
    30  import org.codehaus.plexus.configuration.PlexusConfigurationResourceException;
    31
    32  /***
    33   * Utility methods for dealing with Plexus
    34   */
    35  public class PlexusUtils {
    36      private static final Log log = LogFactory.getLog(PlexusObjectFactory.class);
    37
    38      /***
    39       * Configures the container with the configuration file
    40       *
    41       * @param pc The plexus container
    42       * @param file The file path
    43       * @throws PlexusConfigurationResourceException If the plexus configuration can't be loaded
    44       */
    45      public static void configure(PlexusContainer pc, String file) throws PlexusConfigurationResourceException {
    46          InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(file);
    47          if (is == null) {
    48              log.info("Could not find " + file + ", skipping");
    49              is = new ByteArrayInputStream("<plexus><components></components></plexus>".getBytes());
    50          }
    51          pc.setConfigurationResource(new InputStreamReader(is));
    52      }
    53  }