| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package javax.xml.bind.annotation.adapters; |
| |
| public class CollapsedStringAdapter extends XmlAdapter<String, String> { |
| |
| public String marshal(String v) { |
| return v; |
| } |
| |
| public String unmarshal(String v) { |
| if(v == null) { |
| return null; |
| } |
| int len = v.length(); |
| int s; |
| for (s = 0; s < len && !isWhiteSpace(v.charAt(s)); s++); |
| if (s == len) { |
| return v; |
| } |
| StringBuffer result = new StringBuffer(len); |
| if (s != 0) { |
| for(int i = 0; i < s; i++) { |
| result.append(v.charAt(i)); |
| } |
| result.append(' '); |
| } |
| boolean inStripMode = true; |
| for (int i = s + 1; i < len; i++) { |
| char ch = v.charAt(i); |
| boolean b = isWhiteSpace(ch); |
| if (inStripMode && b) { |
| continue; |
| } |
| inStripMode = b; |
| result.append(inStripMode ? ' ' : ch); |
| } |
| len = result.length(); |
| if (len > 0 && result.charAt(len - 1) == ' ') { |
| result.setLength(len - 1); |
| } |
| return result.toString(); |
| } |
| |
| protected static boolean isWhiteSpace(char ch) { |
| if (ch > ' ') { |
| return false; |
| } else { |
| return ch == '\t' || ch == '\n' || ch == '\r' || ch == ' '; |
| } |
| } |
| |
| } |