javax.xml.bind.annotation.adapters.CollapsedStringAdapter Maven / Gradle / Ivy
/**
* 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 {
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 == ' ';
}
}
}