1 /*
2 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 *
18 * Additionally licensed with:
19 *
20 * Licensed under the Apache License, Version 2.0 (the "License");
21 * you may not use this file except in compliance with the License.
22 * You may obtain a copy of the License at
23 *
24 * http://www.apache.org/licenses/LICENSE-2.0
25 *
26 * Unless required by applicable law or agreed to in writing, software
27 * distributed under the License is distributed on an "AS IS" BASIS,
28 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29 * See the License for the specific language governing permissions and
30 * limitations under the License.
31 */
32 package org.spf4j.base;
33
34 import java.io.IOException;
35 import javax.annotation.Nullable;
36
37 /**
38 *
39 * @author zoly
40 */
41 public final class EscapeJsonStringAppendableWrapper implements Appendable {
42
43 private final Appendable wrapped;
44
45 public EscapeJsonStringAppendableWrapper(final Appendable wrapped) {
46 this.wrapped = wrapped;
47 }
48
49 @Override
50 public Appendable append(@Nullable final CharSequence pcsq) throws IOException {
51 CharSequence csq = pcsq == null ? "null" : pcsq;
52 for (int i = 0, l = csq.length(); i < l; i++) {
53 AppendableUtils.appendJsonStringEscapedChar(csq.charAt(i), wrapped);
54 }
55 return this;
56 }
57
58 @Override
59 public Appendable append(final CharSequence csq, final int start, final int end) throws IOException {
60 for (int i = start; i < end; i++) {
61 AppendableUtils.appendJsonStringEscapedChar(csq.charAt(i), wrapped);
62 }
63 return this;
64 }
65
66 @Override
67 public Appendable append(final char c) throws IOException {
68 AppendableUtils.appendJsonStringEscapedChar(c, wrapped);
69 return this;
70 }
71
72 @Override
73 public String toString() {
74 return "EscapeJsonStringAppendableWrapper{" + "wrapped=" + wrapped + '}';
75 }
76
77 }