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Fix for #588 part 2: moved escape/unescape functions to net.i2p.data.DataHelper

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str4d
2012-01-17 02:11:56 +00:00
parent 1e8c968bd6
commit 452096b976
3 changed files with 47 additions and 41 deletions
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42
core/java/src/net/i2p/data/DataHelper.java
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@ -1468,6 +1468,48 @@ public class DataHelper {
return rv;
}
/**
* Escape a string for inclusion in HTML
* @param unescaped the unescaped string, may be null
* @return the escaped string, or an empty string if null is passed in
*/
public static String escapeHTML(String unescaped) {
if (unescaped == null) return "";
Map<String, String> map = new HashMap<String, String>();
map.put("\"","&quot;");
map.put("&","&amp;");
map.put("<","&lt;");
map.put(">","&gt;");
String escaped = unescaped;
for (Map.Entry<String, String> entry : map.entrySet()) {
String k = entry.getKey();
String v = entry.getValue();
escaped = escaped.replaceAll(k, v);
}
return escaped;
}
/**
* Unescape a string taken from HTML
* @param escaped the escaped string, may be null
* @return the unescaped string, or an empty string if null is passed in
*/
public static String unescapeHTML(String escaped) {
if (escaped == null) return "";
Map<String, String> map = new HashMap<String, String>();
map.put("&quot;","\"");
map.put("&amp;","&");
map.put("&lt;","<");
map.put("&gt;",">");
String unescaped = escaped;
for (Map.Entry<String, String> entry : map.entrySet()) {
String k = entry.getKey();
String v = entry.getValue();
unescaped = unescaped.replaceAll(k, v);
}
return unescaped;
}
public static final int MAX_UNCOMPRESSED = 40*1024;
public static final int MAX_COMPRESSION = Deflater.BEST_COMPRESSION;
public static final int NO_COMPRESSION = Deflater.NO_COMPRESSION;