AbstractRendererMaker


1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  /* $Id: AbstractRendererMaker.java 426576 2006-07-28 15:44:37Z jeremias $ */
19  
20  package org.apache.fop.render;
21  
22  import org.apache.fop.apps.FOUserAgent;
23  
24  /**
25   * Base class for factory classes which instantiate Renderers and provide information
26   * about them.
27   */
28  public abstract class AbstractRendererMaker {
29      
30      /**
31       * Instantiates a new renderer.
32       * @param ua the user agent
33       * @return the newly instantiated renderer
34       */
35      public abstract Renderer makeRenderer(FOUserAgent ua);
36  
37      /**
38       * @return Indicates whether this renderer requires an OutputStream to work with.
39       */
40      public abstract boolean needsOutputStream();
41      
42      /**
43       * @return an array of MIME types the renderer supports.
44       */
45      public abstract String  [] getSupportedMimeTypes();
46  
47      /**
48       * Indicates whether a specific MIME type is supported by this renderer.
49       * @param mimeType the MIME type (ex. "application/pdf")
50       * @return true if the MIME type is supported
51       */
52      public boolean isMimeTypeSupported(String   mimeType) {
53          String  [] mimes = getSupportedMimeTypes();
54          for (int i = 0; i < mimes.length; i++) {
55              if (mimes[i].equals(mimeType)) {
56                  return true;
57              }
58          }
59          return false;
60      }
61      
62  }
63
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