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Added code folding and formatted all files
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@@ -1,9 +1,7 @@
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/*
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* 09/24/2004
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*
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* UnicodeWriter.java - Writes Unicode output with the proper BOM.
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*
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* This library is distributed under a modified BSD license. See the included
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* This library is distributed under a modified BSD license. See the included
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* RSyntaxTextArea.License.txt file for details.
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*/
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package org.fife.io;
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@@ -15,10 +13,9 @@ import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import java.io.Writer;
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/**
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* Writes Unicode text to an output stream. If the specified encoding is a
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* Unicode, then the text is preceded by the proper Unicode BOM. If it is any
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* Writes Unicode text to an output stream. If the specified encoding is a
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* Unicode, then the text is preceded by the proper Unicode BOM. If it is any
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* other encoding, this class behaves just like <code>OutputStreamWriter</code>.
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* This class is here because Java's <code>OutputStreamWriter</code> apparently
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* doesn't believe in writing BOMs.
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@@ -31,115 +28,90 @@ import java.io.Writer;
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* @version 0.7
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*/
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public class UnicodeWriter extends Writer {
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/**
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* If this system property evaluates to "<code>false</code>", ignoring
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* case, files written out as UTF-8 will not have a BOM written for them.
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* Otherwise (even if the property is not set), UTF-8 files will have a
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* BOM written.
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*/
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public static final String PROPERTY_WRITE_UTF8_BOM =
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"UnicodeWriter.writeUtf8BOM";
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public static final String PROPERTY_WRITE_UTF8_BOM = "UnicodeWriter.writeUtf8BOM";
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/**
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* The writer actually doing the writing.
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*/
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private OutputStreamWriter internalOut;
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private static final byte[] UTF8_BOM = new byte[] {
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(byte)0xEF,
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(byte)0xBB,
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(byte)0xBF
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};
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private static final byte[] UTF16LE_BOM = new byte[] {
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(byte)0xFF,
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(byte)0xFE
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};
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private static final byte[] UTF16BE_BOM = new byte[] {
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(byte)0xFE,
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(byte)0xFF
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};
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private static final byte[] UTF32LE_BOM = new byte[] {
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(byte)0xFF,
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(byte)0xFE,
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(byte)0x00,
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(byte)0x00
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};
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private static final byte[] UTF32BE_BOM = new byte[] {
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(byte)0x00,
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(byte)0x00,
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(byte)0xFE,
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(byte)0xFF
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};
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private static final byte[] UTF8_BOM = new byte[] { (byte) 0xEF, (byte) 0xBB, (byte) 0xBF };
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private static final byte[] UTF16LE_BOM = new byte[] { (byte) 0xFF, (byte) 0xFE };
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private static final byte[] UTF16BE_BOM = new byte[] { (byte) 0xFE, (byte) 0xFF };
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private static final byte[] UTF32LE_BOM = new byte[] { (byte) 0xFF, (byte) 0xFE, (byte) 0x00, (byte) 0x00 };
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private static final byte[] UTF32BE_BOM = new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0xFE, (byte) 0xFF };
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/**
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* This is a utility constructor since the vast majority of the time, this
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* class will be used to write Unicode files.
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*
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* @param fileName The file to which to write the Unicode output.
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* @param encoding The encoding to use.
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* @throws IOException If an IO exception occurs.
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* @param fileName
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* The file to which to write the Unicode output.
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* @param encoding
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* The encoding to use.
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* @throws IOException
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* If an IO exception occurs.
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*/
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public UnicodeWriter(String fileName, String encoding) throws IOException {
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this(new FileOutputStream(fileName), encoding);
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}
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/**
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* This is a utility constructor since the vast majority of the time, this
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* class will be used to write Unicode files.
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*
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* @param file The file to which to write the Unicode output.
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* @param encoding The encoding to use.
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* @throws IOException If an IO exception occurs.
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* @param file
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* The file to which to write the Unicode output.
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* @param encoding
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* The encoding to use.
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* @throws IOException
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* If an IO exception occurs.
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*/
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public UnicodeWriter(File file, String encoding) throws IOException {
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this(new FileOutputStream(file), encoding);
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}
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/**
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* Creates a new writer.
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*
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* @param out The output stream to write.
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* @param encoding The encoding to use.
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* @throws IOException If an IO exception occurs.
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* @param out
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* The output stream to write.
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* @param encoding
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* The encoding to use.
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* @throws IOException
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* If an IO exception occurs.
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*/
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public UnicodeWriter(OutputStream out, String encoding) throws IOException {
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init(out, encoding);
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}
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/**
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* Closes this writer.
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*
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* @throws IOException If an IO exception occurs.
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* @throws IOException
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* If an IO exception occurs.
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*/
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@Override
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public void close() throws IOException {
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internalOut.close();
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}
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/**
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* Flushes the stream.
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*
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* @throws IOException If an IO exception occurs.
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* @throws IOException
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* If an IO exception occurs.
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*/
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@Override
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public void flush() throws IOException {
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internalOut.flush();
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}
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/**
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* Returns the encoding being used to write this output stream (i.e., the
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* encoding of the file).
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@@ -149,8 +121,7 @@ public class UnicodeWriter extends Writer {
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public String getEncoding() {
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return internalOut.getEncoding();
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}
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/**
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* Returns whether UTF-8 files should have a BOM in them when written.
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*
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@@ -161,25 +132,25 @@ public class UnicodeWriter extends Writer {
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public static boolean getWriteUtf8BOM() {
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String prop = System.getProperty(PROPERTY_WRITE_UTF8_BOM);
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// We default to writing the BOM, for some reason.
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if (prop!=null && Boolean.valueOf(prop).equals(Boolean.FALSE)) {
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if (prop != null && Boolean.valueOf(prop).equals(Boolean.FALSE)) {
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return false;
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}
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return true;
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}
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/**
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* Initializes the internal output stream and writes the BOM if the
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* specified encoding is a Unicode encoding.
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*
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* @param out The output stream we are writing.
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* @param encoding The encoding in which to write.
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* @throws IOException If an I/O error occurs while writing a BOM.
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* @param out
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* The output stream we are writing.
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* @param encoding
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* The encoding in which to write.
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* @throws IOException
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* If an I/O error occurs while writing a BOM.
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*/
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private void init(OutputStream out, String encoding) throws IOException {
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internalOut = new OutputStreamWriter(out, encoding);
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// Write the proper BOM if they specified a Unicode encoding.
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// NOTE: Creating an OutputStreamWriter with encoding "UTF-16" DOES
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// DOES write out the BOM; "UTF-16LE", "UTF-16BE", "UTF-32", "UTF-32LE"
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@@ -188,74 +159,73 @@ public class UnicodeWriter extends Writer {
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if (getWriteUtf8BOM()) {
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out.write(UTF8_BOM, 0, UTF8_BOM.length);
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}
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}
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else if ("UTF-16LE".equals(encoding)) {
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} else if ("UTF-16LE".equals(encoding)) {
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out.write(UTF16LE_BOM, 0, UTF16LE_BOM.length);
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}
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else if (/*"UTF-16".equals(encoding) || */"UTF-16BE".equals(encoding)) {
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} else if (/* "UTF-16".equals(encoding) || */"UTF-16BE".equals(encoding)) {
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out.write(UTF16BE_BOM, 0, UTF16BE_BOM.length);
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}
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else if ("UTF-32LE".equals(encoding)) {
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} else if ("UTF-32LE".equals(encoding)) {
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out.write(UTF32LE_BOM, 0, UTF32LE_BOM.length);
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}
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else if ("UTF-32".equals(encoding) || "UTF-32BE".equals(encoding)) {
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} else if ("UTF-32".equals(encoding) || "UTF-32BE".equals(encoding)) {
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out.write(UTF32BE_BOM, 0, UTF32BE_BOM.length);
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}
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}
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/**
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* Sets whether UTF-8 files should have a BOM written in them.
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*
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* @param write Whether to write a BOM.
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* @param write
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* Whether to write a BOM.
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* @see #getWriteUtf8BOM()
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* @see UnicodeWriter
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*/
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public static void setWriteUtf8BOM(boolean write) {
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System.setProperty(UnicodeWriter.PROPERTY_WRITE_UTF8_BOM,
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Boolean.toString(write));
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System.setProperty(UnicodeWriter.PROPERTY_WRITE_UTF8_BOM, Boolean.toString(write));
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}
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/**
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* Writes a portion of an array of characters.
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*
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* @param cbuf The buffer of characters.
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* @param off The offset from which to start writing characters.
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* @param len The number of characters to write.
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* @throws IOException If an I/O error occurs.
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* @param cbuf
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* The buffer of characters.
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* @param off
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* The offset from which to start writing characters.
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* @param len
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* The number of characters to write.
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* @throws IOException
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* If an I/O error occurs.
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*/
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@Override
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public void write(char[] cbuf, int off, int len) throws IOException {
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internalOut.write(cbuf, off, len);
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}
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/**
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* Writes a single character.
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*
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* @param c An integer specifying the character to write.
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* @throws IOException If an IO error occurs.
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* @param c
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* An integer specifying the character to write.
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* @throws IOException
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* If an IO error occurs.
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*/
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@Override
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public void write(int c) throws IOException {
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internalOut.write(c);
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}
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/**
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* Writes a portion of a string.
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*
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* @param str The string from which to write.
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* @param off The offset from which to start writing characters.
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* @param len The number of characters to write.
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* @throws IOException If an IO error occurs.
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* @param str
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* The string from which to write.
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* @param off
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* The offset from which to start writing characters.
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* @param len
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* The number of characters to write.
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* @throws IOException
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* If an IO error occurs.
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*/
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@Override
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public void write(String str, int off, int len) throws IOException {
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internalOut.write(str, off, len);
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}
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}
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}
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