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: * $Header:$
18: */
19: package org.apache.beehive.netui.tags.rendering;
20:
21: import org.apache.beehive.netui.util.internal.InternalStringBuilder;
22:
23: /**
24: * This is an implementation of {@link AbstractRenderAppender} which appends
25: * Strings to a {@link InternalStringBuilder}
26: */
27: public class StringBuilderRenderAppender extends AbstractRenderAppender {
28: private InternalStringBuilder _sb;
29:
30: public StringBuilderRenderAppender() {
31: }
32:
33: public StringBuilderRenderAppender(InternalStringBuilder sb) {
34: _sb = sb;
35: }
36:
37: public void setInternalStringBuilder(InternalStringBuilder sb) {
38: _sb = sb;
39: }
40:
41: public void append(String s) {
42: assert _sb != null : "Render appender doesn't have a valid string builder";
43: _sb.append(s);
44: }
45:
46: public void append(char c) {
47: assert _sb != null : "Render appender doesn't have a valid string builder";
48: _sb.append(c);
49: }
50:
51: public String toString() {
52: assert _sb != null : "Render appender doesn't have a valid string builder";
53: return _sb.toString();
54: }
55: }
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