001
014
015 package com.liferay.portal.kernel.util;
016
017 import java.util.Properties;
018
019
022 public class SafeProperties extends Properties {
023
024 public SafeProperties() {
025 super();
026 }
027
028 @Override
029 public synchronized Object get(Object key) {
030 Object value = super.get(key);
031
032 value = _decode((String)value);
033
034 return value;
035 }
036
037 public String getEncodedProperty(String key) {
038 return super.getProperty(key);
039 }
040
041 @Override
042 public String getProperty(String key) {
043 return (String)get(key);
044 }
045
046 @Override
047 public synchronized Object put(Object key, Object value) {
048 if (key == null) {
049 return null;
050 }
051
052 if (value == null) {
053 return super.remove(key);
054 }
055
056 value = _encode((String)value);
057
058 return super.put(key, value);
059 }
060
061 @Override
062 public synchronized Object remove(Object key) {
063 if (key == null) {
064 return null;
065 }
066 else {
067 return super.remove(key);
068 }
069 }
070
071 private static String _decode(String value) {
072 return StringUtil.replace(
073 value, _SAFE_NEWLINE_CHARACTER, StringPool.NEW_LINE);
074 }
075
076 private static String _encode(String value) {
077 return StringUtil.replace(
078 value,
079 new String[] {
080 StringPool.RETURN_NEW_LINE, StringPool.NEW_LINE,
081 StringPool.RETURN
082 },
083 new String[] {
084 _SAFE_NEWLINE_CHARACTER, _SAFE_NEWLINE_CHARACTER,
085 _SAFE_NEWLINE_CHARACTER
086 });
087 }
088
089 private static final String _SAFE_NEWLINE_CHARACTER =
090 "_SAFE_NEWLINE_CHARACTER_";
091
092 }