diff options
Diffstat (limited to 'mobile/android/services/src/main/java/org/mozilla/gecko/sync/net/GzipNonChunkedCompressingEntity.java')
-rw-r--r-- | mobile/android/services/src/main/java/org/mozilla/gecko/sync/net/GzipNonChunkedCompressingEntity.java | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/net/GzipNonChunkedCompressingEntity.java b/mobile/android/services/src/main/java/org/mozilla/gecko/sync/net/GzipNonChunkedCompressingEntity.java deleted file mode 100644 index 1e238c022..000000000 --- a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/net/GzipNonChunkedCompressingEntity.java +++ /dev/null @@ -1,92 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -package org.mozilla.gecko.sync.net; - -import ch.boye.httpclientandroidlib.HttpEntity; -import ch.boye.httpclientandroidlib.client.entity.GzipCompressingEntity; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; - -/** - * Wrapping entity that compresses content when {@link #writeTo writing}. - * - * This differs from {@link GzipCompressingEntity} in that it does not chunk - * the sent data, therefore replacing the "Transfer-Encoding" HTTP header with - * the "Content-Length" header required by some servers. - * - * However, to measure the content length, the gzipped content will be temporarily - * stored in memory so be careful what content you send! - */ -public class GzipNonChunkedCompressingEntity extends GzipCompressingEntity { - final int MAX_BUFFER_SIZE_BYTES = 10 * 1000 * 1000; // 10 MB. - - private byte[] gzippedContent; - - public GzipNonChunkedCompressingEntity(final HttpEntity entity) { - super(entity); - } - - /** - * @return content length for gzipped content or -1 if there is an error - */ - @Override - public long getContentLength() { - try { - initBuffer(); - } catch (final IOException e) { - // GzipCompressingEntity always returns -1 in which case a 'Content-Length' header is omitted. - // Presumably, without it the request will fail (either client-side or server-side). - return -1; - } - return gzippedContent.length; - } - - @Override - public boolean isChunked() { - // "Content-Length" & chunked encoding are mutually exclusive: - // https://en.wikipedia.org/wiki/Chunked_transfer_encoding - return false; - } - - @Override - public InputStream getContent() throws IOException { - initBuffer(); - return new ByteArrayInputStream(gzippedContent); - } - - @Override - public void writeTo(final OutputStream outstream) throws IOException { - initBuffer(); - outstream.write(gzippedContent); - } - - private void initBuffer() throws IOException { - if (gzippedContent != null) { - return; - } - - final long unzippedContentLength = wrappedEntity.getContentLength(); - if (unzippedContentLength > MAX_BUFFER_SIZE_BYTES) { - throw new IOException( - "Wrapped entity content length, " + unzippedContentLength + " bytes, exceeds max: " + MAX_BUFFER_SIZE_BYTES); - } - - // The buffer size needed by the gzipped content should be smaller than this, - // but it's more efficient just to allocate one larger buffer than allocate - // twice if the gzipped content is too large for the default buffer. - final ByteArrayOutputStream s = new ByteArrayOutputStream((int) unzippedContentLength); - try { - super.writeTo(s); - } finally { - s.close(); - } - - gzippedContent = s.toByteArray(); - } -} |