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src/api-impl: fix up code style, mainly for code imported from AOSP
used the following (plus manual edits):
`clang-format --style="{BasedOnStyle: LLVM, IndentWidth: 8, UseTab: Always, AllowShortIfStatementsOnASingleLine: false, IndentCaseLabels: true, ColumnLimit: 0}`
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Mis012
@@ -25,131 +25,132 @@ import java.io.OutputStream;
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* it, writing the resulting data to another OutputStream.
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*/
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public class Base64OutputStream extends FilterOutputStream {
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private final Base64.Coder coder;
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private final int flags;
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private final Base64.Coder coder;
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private final int flags;
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private byte[] buffer = null;
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private int bpos = 0;
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private byte[] buffer = null;
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private int bpos = 0;
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private static byte[] EMPTY = new byte[0];
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private static byte[] EMPTY = new byte[0];
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/**
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* Performs Base64 encoding on the data written to the stream,
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* writing the encoded data to another OutputStream.
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*
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* @param out the OutputStream to write the encoded data to
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* @param flags bit flags for controlling the encoder; see the
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* constants in {@link Base64}
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*/
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public Base64OutputStream(OutputStream out, int flags) {
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this(out, flags, true);
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}
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/**
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* Performs Base64 encoding on the data written to the stream,
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* writing the encoded data to another OutputStream.
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*
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* @param out the OutputStream to write the encoded data to
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* @param flags bit flags for controlling the encoder; see the
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* constants in {@link Base64}
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*/
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public Base64OutputStream(OutputStream out, int flags) {
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this(out, flags, true);
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}
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/**
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* Performs Base64 encoding or decoding on the data written to the
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* stream, writing the encoded/decoded data to another
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* OutputStream.
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*
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* @param out the OutputStream to write the encoded data to
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* @param flags bit flags for controlling the encoder; see the
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* constants in {@link Base64}
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* @param encode true to encode, false to decode
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*
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* @hide
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*/
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public Base64OutputStream(OutputStream out, int flags, boolean encode) {
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super(out);
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this.flags = flags;
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if (encode) {
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coder = new Base64.Encoder(flags, null);
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} else {
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coder = new Base64.Decoder(flags, null);
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}
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}
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/**
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* Performs Base64 encoding or decoding on the data written to the
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* stream, writing the encoded/decoded data to another
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* OutputStream.
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*
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* @param out the OutputStream to write the encoded data to
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* @param flags bit flags for controlling the encoder; see the
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* constants in {@link Base64}
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* @param encode true to encode, false to decode
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*
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* @hide
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*/
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public Base64OutputStream(OutputStream out, int flags, boolean encode) {
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super(out);
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this.flags = flags;
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if (encode) {
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coder = new Base64.Encoder(flags, null);
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} else {
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coder = new Base64.Decoder(flags, null);
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}
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}
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public void write(int b) throws IOException {
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// To avoid invoking the encoder/decoder routines for single
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// bytes, we buffer up calls to write(int) in an internal
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// byte array to transform them into writes of decently-sized
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// arrays.
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public void write(int b) throws IOException {
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// To avoid invoking the encoder/decoder routines for single
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// bytes, we buffer up calls to write(int) in an internal
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// byte array to transform them into writes of decently-sized
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// arrays.
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if (buffer == null) {
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buffer = new byte[1024];
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}
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if (bpos >= buffer.length) {
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// internal buffer full; write it out.
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internalWrite(buffer, 0, bpos, false);
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bpos = 0;
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}
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buffer[bpos++] = (byte) b;
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}
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if (buffer == null) {
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buffer = new byte[1024];
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}
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if (bpos >= buffer.length) {
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// internal buffer full; write it out.
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internalWrite(buffer, 0, bpos, false);
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bpos = 0;
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}
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buffer[bpos++] = (byte)b;
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}
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/**
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* Flush any buffered data from calls to write(int). Needed
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* before doing a write(byte[], int, int) or a close().
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*/
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private void flushBuffer() throws IOException {
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if (bpos > 0) {
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internalWrite(buffer, 0, bpos, false);
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bpos = 0;
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}
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}
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/**
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* Flush any buffered data from calls to write(int). Needed
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* before doing a write(byte[], int, int) or a close().
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*/
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private void flushBuffer() throws IOException {
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if (bpos > 0) {
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internalWrite(buffer, 0, bpos, false);
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bpos = 0;
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}
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}
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public void write(byte[] b, int off, int len) throws IOException {
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if (len <= 0) return;
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flushBuffer();
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internalWrite(b, off, len, false);
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}
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public void write(byte[] b, int off, int len) throws IOException {
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if (len <= 0)
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return;
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flushBuffer();
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internalWrite(b, off, len, false);
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}
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public void close() throws IOException {
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IOException thrown = null;
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try {
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flushBuffer();
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internalWrite(EMPTY, 0, 0, true);
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} catch (IOException e) {
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thrown = e;
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}
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public void close() throws IOException {
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IOException thrown = null;
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try {
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flushBuffer();
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internalWrite(EMPTY, 0, 0, true);
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} catch (IOException e) {
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thrown = e;
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}
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try {
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if ((flags & Base64.NO_CLOSE) == 0) {
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out.close();
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} else {
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out.flush();
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}
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} catch (IOException e) {
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if (thrown != null) {
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thrown = e;
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}
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}
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try {
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if ((flags & Base64.NO_CLOSE) == 0) {
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out.close();
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} else {
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out.flush();
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}
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} catch (IOException e) {
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if (thrown != null) {
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thrown = e;
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}
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}
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if (thrown != null) {
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throw thrown;
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}
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}
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if (thrown != null) {
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throw thrown;
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}
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}
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/**
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* Write the given bytes to the encoder/decoder.
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*
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* @param finish true if this is the last batch of input, to cause
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* encoder/decoder state to be finalized.
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*/
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private void internalWrite(byte[] b, int off, int len, boolean finish) throws IOException {
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coder.output = embiggen(coder.output, coder.maxOutputSize(len));
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if (!coder.process(b, off, len, finish)) {
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throw new Base64DataException("bad base-64");
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}
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out.write(coder.output, 0, coder.op);
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}
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/**
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* Write the given bytes to the encoder/decoder.
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*
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* @param finish true if this is the last batch of input, to cause
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* encoder/decoder state to be finalized.
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*/
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private void internalWrite(byte[] b, int off, int len, boolean finish) throws IOException {
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coder.output = embiggen(coder.output, coder.maxOutputSize(len));
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if (!coder.process(b, off, len, finish)) {
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throw new Base64DataException("bad base-64");
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}
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out.write(coder.output, 0, coder.op);
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}
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/**
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* If b.length is at least len, return b. Otherwise return a new
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* byte array of length len.
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*/
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private byte[] embiggen(byte[] b, int len) {
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if (b == null || b.length < len) {
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return new byte[len];
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} else {
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return b;
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}
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}
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/**
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* If b.length is at least len, return b. Otherwise return a new
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* byte array of length len.
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*/
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private byte[] embiggen(byte[] b, int len) {
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if (b == null || b.length < len) {
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return new byte[len];
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} else {
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return b;
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}
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}
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}
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