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    1   /*
    2    * $Id: StrutsResourceLoader.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.views.velocity;
    22
    23  import java.io.InputStream;
    24
    25  import org.apache.struts2.util.ClassLoaderUtils;
    26  import org.apache.velocity.exception.ResourceNotFoundException;
    27  import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;
    28
    29
    30  /***
    31   * Loads resource from the Thread's context ClassLoader.
    32   *
    33   */
    34  public class StrutsResourceLoader extends ClasspathResourceLoader {
    35
    36      public synchronized InputStream getResourceStream(String name) throws ResourceNotFoundException {
    37          if ((name == null) || (name.length() == 0)) {
    38              throw new ResourceNotFoundException("No template name provided");
    39          }
    40
    41          if (name.startsWith("/")) {
    42              name = name.substring(1);
    43          }
    44
    45          try {
    46              return ClassLoaderUtils.getResourceAsStream(name, StrutsResourceLoader.class);
    47          } catch (Exception e) {
    48              throw new ResourceNotFoundException(e.getMessage());
    49          }
    50      }
    51  }