Class UnicodeUtil
- java.lang.Object
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- org.eclipse.birt.report.model.api.util.UnicodeUtil
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public class UnicodeUtil extends java.lang.Object
The utility class to handle Unicode encoding and signatures.
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
SIGNATURE_UCS4_BIG
The signature for the UCS4 Big Endian files.static java.lang.String
SIGNATURE_UCS4_LITTLE
The signature for the UCS4 Little Endian files.static java.lang.String
SIGNATURE_UNICODE_BIG
The signature for the Unicode Big Endian files.static java.lang.String
SIGNATURE_UNICODE_LITTLE
The signature for the Unicode Little Endian files.static java.lang.String
SIGNATURE_UTF_8
The signature for the UTF-8 files.
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Constructor Summary
Constructors Constructor Description UnicodeUtil()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.String
checkUTFSignature(java.io.InputStream inputStream)
Reads a signature if it applies.
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Field Detail
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SIGNATURE_UTF_8
public static final java.lang.String SIGNATURE_UTF_8
The signature for the UTF-8 files.- See Also:
- Constant Field Values
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SIGNATURE_UNICODE_BIG
public static final java.lang.String SIGNATURE_UNICODE_BIG
The signature for the Unicode Big Endian files.- See Also:
- Constant Field Values
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SIGNATURE_UNICODE_LITTLE
public static final java.lang.String SIGNATURE_UNICODE_LITTLE
The signature for the Unicode Little Endian files.- See Also:
- Constant Field Values
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SIGNATURE_UCS4_BIG
public static final java.lang.String SIGNATURE_UCS4_BIG
The signature for the UCS4 Big Endian files.- See Also:
- Constant Field Values
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SIGNATURE_UCS4_LITTLE
public static final java.lang.String SIGNATURE_UCS4_LITTLE
The signature for the UCS4 Little Endian files.- See Also:
- Constant Field Values
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Method Detail
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checkUTFSignature
public static java.lang.String checkUTFSignature(java.io.InputStream inputStream) throws java.io.IOException
Reads a signature if it applies. Currently BIRT can recognize the following signatures:- SIGNATURE_UTF_8
- SIGNATURE_UNICODE_BIG
- SIGNATURE_UNICODE_LITTLE
- SIGNATURE_UCS4_BIG_8
- SIGNATURE_UCS4_LITTLE
- Parameters:
inputStream
- the input stream of the unicode file- Returns:
- the encoding signature from the unicode file.
- Throws:
java.io.IOException
- if errors occur when reading bytes from the input stream
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