Author: ivaynberg
Date: Sun Sep 6 04:58:08 2009
New Revision: 811760
URL: http://svn.apache.org/viewvc?rev=811760&view=rev
Log:
WICKET-2451 Add ability to load UTF-8 encoded properties not in XML format.
Issue: WICKET-2451
Modified:
wicket/trunk/wicket/src/main/java/org/apache/wicket/resource/PropertiesFactory.java
Modified:
wicket/trunk/wicket/src/main/java/org/apache/wicket/resource/PropertiesFactory.java
URL:
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/resource/PropertiesFactory.java?rev=811760&r1=811759&r2=811760&view=diff
==============================================================================
---
wicket/trunk/wicket/src/main/java/org/apache/wicket/resource/PropertiesFactory.java
(original)
+++
wicket/trunk/wicket/src/main/java/org/apache/wicket/resource/PropertiesFactory.java
Sun Sep 6 04:58:08 2009
@@ -17,7 +17,11 @@
package org.apache.wicket.resource;
import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Iterator;
@@ -313,11 +317,26 @@
*/
public class PropertiesFilePropertiesLoader extends
AbstractPropertiesLoader
{
+ /** Can the JDK read properties from Reader ? */
+ private boolean loadFromReaderAvailable = false;
+
+ /**
+ * Buffer size used when reading a properties file.
+ */
+ private static final int BUFFER_SIZE = 2000;
+
/**
* Construct.
*/
public PropertiesFilePropertiesLoader()
{
+ try {
+ Properties.class.getMethod("load", new Class[]
{Reader.class});
+ loadFromReaderAvailable = true;
+ }
+ catch (NoSuchMethodException ex) {
+ loadFromReaderAvailable = false;
+ }
}
/**
@@ -340,9 +359,53 @@
protected java.util.Properties
loadProperties(BufferedInputStream in) throws IOException
{
java.util.Properties properties = new
java.util.Properties();
+ // If we are on JDK 6 we load from Reader
+ if (loadFromReaderAvailable) {
properties.load(in);
+ // If we are on JDK <=5 then we convert to ASCII
+ } else {
+ properties.load(readUTFStreamToEscapedASCII(in));
+ }
return properties;
}
+
+ /**
+ * Reads a UTF-8 stream, performing a conversion to ASCII (i.e.,
ISO8859-1 encoding). Characters outside the normal
+ * range for ISO8859-1 are converted to unicode escapes. In effect,
Tapestry is performing native2ascii on the
+ * files, on the fly.
+ */
+ private InputStream readUTFStreamToEscapedASCII(InputStream is)
throws IOException
+ {
+ Reader reader = new InputStreamReader(is, "UTF-8");
+
+ StringBuilder builder = new StringBuilder(BUFFER_SIZE);
+ char[] buffer = new char[BUFFER_SIZE];
+
+ while (true)
+ {
+ int length = reader.read(buffer);
+
+ if (length < 0) break;
+
+ for (int i = 0; i < length; i++)
+ {
+ char ch = buffer[i];
+
+ if (ch <= '\u007f')
+ {
+ builder.append(ch);
+ continue;
+ }
+ builder.append(String.format("\\u%04x", (int) ch));
+ }
+ }
+
+ reader.close();
+
+ byte[] resourceContent = builder.toString().getBytes();
+ return new ByteArrayInputStream(resourceContent);
+ }
+
}
/**
