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 package org.apache.fontbox.cff;
18
19 import java.io.ByteArrayOutputStream;
20 import java.io.IOException;
21
22 /**
23 *
24 * @author Villu Ruusmann
25 * @version $Revision: 1.0 $
26 */
27 public class DataOutput
28 {
29
30 private ByteArrayOutputStream outputBuffer = new ByteArrayOutputStream();
31
32 private String outputEncoding = null;
33
34 /**
35 * Constructor.
36 */
37 public DataOutput()
38 {
39 this("ISO-8859-1");
40 }
41
42 /**
43 * Constructor with a given encoding.
44 * @param encoding the encoding to be used for writing
45 */
46 public DataOutput(String encoding)
47 {
48 this.outputEncoding = encoding;
49 }
50
51 /**
52 * Returns the written data buffer as byte array.
53 * @return the data buffer as byte array
54 */
55 public byte[] getBytes()
56 {
57 return outputBuffer.toByteArray();
58 }
59
60 /**
61 * Write an int value to the buffer.
62 * @param value the given value
63 */
64 public void write(int value)
65 {
66 outputBuffer.write(value);
67 }
68
69 /**
70 * Write a byte array to the buffer.
71 * @param buffer the given byte array
72 */
73 public void write(byte[] buffer)
74 {
75 outputBuffer.write(buffer, 0, buffer.length);
76 }
77
78 /**
79 * Write a part of a byte array to the buffer.
80 * @param buffer the given byte buffer
81 * @param offset the offset where to start
82 * @param length the amount of bytes to be written from the array
83 */
84 public void write(byte[] buffer, int offset, int length)
85 {
86 outputBuffer.write(buffer, offset, length);
87 }
88
89 /**
90 * Write the given string to the buffer using the given encoding.
91 * @param string the given string
92 * @throws IOException If an error occurs during writing the data to the buffer
93 */
94 public void print(String string) throws IOException
95 {
96 write(string.getBytes(outputEncoding));
97 }
98
99 /**
100 * Write the given string to the buffer using the given encoding.
101 * A newline is added after the given string
102 * @param string the given string
103 * @throws IOException If an error occurs during writing the data to the buffer
104 */
105 public void println(String string) throws IOException
106 {
107 write(string.getBytes(outputEncoding));
108 write('\n');
109 }
110
111 /**
112 * Add a newline to the given string.
113 */
114 public void println()
115 {
116 write('\n');
117 }
118 }