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StringBlock.getString(): decoding strings using CharsetDecoder.

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This commit is contained in:
Ryszard Wiśniewski 2010-06-03 13:42:17 +02:00
parent a7fd5fd70a
commit 4ea40577bf
1 changed files with 19 additions and 6 deletions
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25
src/brut/androlib/res/decoder/StringBlock.java
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@ -18,6 +18,10 @@ package brut.androlib.res.decoder;
import brut.util.ExtDataInput; import brut.util.ExtDataInput;
import java.io.IOException; import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.*;
import java.util.logging.Level;
import java.util.logging.Logger;
/** /**
* @author Ryszard Wiśniewski <brut.alll@gmail.com> * @author Ryszard Wiśniewski <brut.alll@gmail.com>
@ -88,12 +92,7 @@ public class StringBlock {
} }
int offset = m_stringOffsets[index]; int offset = m_stringOffsets[index];
int length = getShort(m_strings, offset); int length = getShort(m_strings, offset);
StringBuilder result = new StringBuilder(length); return decodeString(offset + 2, length * 2);
for (; length != 0; length -= 1) {
offset += 2;
result.append((char) getShort(m_strings, offset));
}
return result.toString();
} }
/** /**
@ -228,6 +227,16 @@ public class StringBlock {
return style; return style;
} }
private String decodeString(int offset, int length) {
try {
return UTF16LE_DECODER.decode(
ByteBuffer.wrap(m_strings, offset, length)).toString();
} catch (CharacterCodingException ex) {
LOGGER.log(Level.WARNING, null, ex);
return null;
}
}
private static final int getShort(byte[] array, int offset) { private static final int getShort(byte[] array, int offset) {
return (array[offset + 1] & 0xff) << 8 | array[offset] & 0xff; return (array[offset + 1] & 0xff) << 8 | array[offset] & 0xff;
} }
@ -244,5 +253,9 @@ public class StringBlock {
private byte[] m_strings; private byte[] m_strings;
private int[] m_styleOffsets; private int[] m_styleOffsets;
private int[] m_styles; private int[] m_styles;
private static final CharsetDecoder UTF16LE_DECODER =
Charset.forName("UTF-16LE").newDecoder();
private static final Logger LOGGER =
Logger.getLogger(StringBlock.class.getName());
private static final int CHUNK_TYPE = 0x001C0001; private static final int CHUNK_TYPE = 0x001C0001;
} }