Merge "Add buffer-size parameter to FastXmlSerializer ctor" (35b8fd69) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/util/FastXmlSerializer.java

+29 −12

Original line number	Diff line number	Diff line
		@@ -49,18 +49,19 @@ public class FastXmlSerializer implements XmlSerializer {
		null, null, null, null, "<", null, ">", null, // 56-63
		};

		private static final int BUFFER_LEN = 8192;
		private static final int DEFAULT_BUFFER_LEN = 32*1024;

		private static String sSpace = " ";

		private final char[] mText = new char[BUFFER_LEN];
		private final int mBufferLen;
		private final char[] mText;
		private int mPos;

		private Writer mWriter;

		private OutputStream mOutputStream;
		private CharsetEncoder mCharset;
		private ByteBuffer mBytes = ByteBuffer.allocate(BUFFER_LEN);
		private ByteBuffer mBytes;

		private boolean mIndent = false;
		private boolean mInTag;
		@@ -68,9 +69,25 @@ public class FastXmlSerializer implements XmlSerializer {
		private int mNesting = 0;
		private boolean mLineStart = true;

		public FastXmlSerializer() {
		this(DEFAULT_BUFFER_LEN);
		}

		/**
		* Allocate a FastXmlSerializer with the given internal output buffer size. If the
		* size is zero or negative, then the default buffer size will be used.
		*
		* @param bufferSize Size in bytes of the in-memory output buffer that the writer will use.
		*/
		public FastXmlSerializer(int bufferSize) {
		mBufferLen = (bufferSize > 0) ? bufferSize : DEFAULT_BUFFER_LEN;
		mText = new char[mBufferLen];
		mBytes = ByteBuffer.allocate(mBufferLen);
		}

		private void append(char c) throws IOException {
		int pos = mPos;
		if (pos >= (BUFFER_LEN-1)) {
		if (pos >= (mBufferLen-1)) {
		flush();
		pos = mPos;
		}
		@@ -79,17 +96,17 @@ public class FastXmlSerializer implements XmlSerializer {
		}

		private void append(String str, int i, final int length) throws IOException {
		if (length > BUFFER_LEN) {
		if (length > mBufferLen) {
		final int end = i + length;
		while (i < end) {
		int next = i + BUFFER_LEN;
		append(str, i, next<end ? BUFFER_LEN : (end-i));
		int next = i + mBufferLen;
		append(str, i, next<end ? mBufferLen : (end-i));
		i = next;
		}
		return;
		}
		int pos = mPos;
		if ((pos+length) > BUFFER_LEN) {
		if ((pos+length) > mBufferLen) {
		flush();
		pos = mPos;
		}
		@@ -98,17 +115,17 @@ public class FastXmlSerializer implements XmlSerializer {
		}

		private void append(char[] buf, int i, final int length) throws IOException {
		if (length > BUFFER_LEN) {
		if (length > mBufferLen) {
		final int end = i + length;
		while (i < end) {
		int next = i + BUFFER_LEN;
		append(buf, i, next<end ? BUFFER_LEN : (end-i));
		int next = i + mBufferLen;
		append(buf, i, next<end ? mBufferLen : (end-i));
		i = next;
		}
		return;
		}
		int pos = mPos;
		if ((pos+length) > BUFFER_LEN) {
		if ((pos+length) > mBufferLen) {
		flush();
		pos = mPos;
		}