01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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:
19: package org.apache.tools.ant.util;
20:
21: import java.io.ByteArrayOutputStream;
22:
23: import org.apache.tools.ant.Project;
24:
25: /**
26: * Exception thrown when an attempt is made to get an OutputStream
27: * from an immutable Resource.
28: * @since Ant 1.7
29: */
30: public class PropertyOutputStream extends ByteArrayOutputStream {
31: private Project project;
32: private String property;
33: private boolean trim;
34:
35: /**
36: * Construct a new PropertyOutputStream for the specified Project
37: * and property name, trimming the property value.
38: * @param p the associated Ant Project.
39: * @param s the String property name.
40: */
41: public PropertyOutputStream(Project p, String s) {
42: this (p, s, true);
43: }
44:
45: /**
46: * Construct a new PropertyOutputStream for
47: * the specified Project, property name, and trim mode.
48: * @param p the associated Ant Project.
49: * @param s the String property name.
50: * @param b the boolean trim mode.
51: */
52: public PropertyOutputStream(Project p, String s, boolean b) {
53: project = p;
54: property = s;
55: trim = b;
56: }
57:
58: /**
59: * Close the PropertyOutputStream, storing the property.
60: */
61: public void close() {
62: if (project != null && property != null) {
63: String s = new String(toByteArray());
64: project.setNewProperty(property, trim ? s.trim() : s);
65: }
66: }
67:
68: }
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