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: PDFWritable.java 1228243 2012-01-06 16:03:44Z cbowditch $ */
19 
20 package org.apache.fop.pdf;
21 
22 import java.io.IOException;
23 import java.io.OutputStream;
24 
25 /**
26  * This interface is implemented by classes that can be serialized to a PDF file either by
27  * serializing the object or by writing a indirect reference to the actual object.
28  */
29 public interface PDFWritable {
30 
31     /**
32      * Writes a "direct object" (inline object) representation to the stream. A text buffer is given
33      * for optimized encoding of text content.
34      * <p>
35      * IMPORTANT: If you need to write out binary output, call
36      * {@link PDFDocument#flushTextBuffer(StringBuilder, OutputStream)} before writing any content
37      * to the {@link OutputStream}!
38      * @param out the OutputStream (for binary content)
39      * @param textBuffer the text buffer for text content
40      * @throws IOException if an I/O error occurs
41      */
outputInline(OutputStream out, StringBuilder textBuffer)42     void outputInline(OutputStream out, StringBuilder textBuffer) throws IOException;
43 
44 }
45