Unbundling work (8bf1ad00) · Commits · e / os / android_frameworks_native-old

common/java/com/android/common/AndroidHttpClient.java

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			/*
			* Copyright (C) 2007 The Android Open Source Project
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

			package com.android.common;

			import org.apache.http.Header;
			import org.apache.http.HttpEntity;
			import org.apache.http.HttpEntityEnclosingRequest;
			import org.apache.http.HttpException;
			import org.apache.http.HttpHost;
			import org.apache.http.HttpRequest;
			import org.apache.http.HttpRequestInterceptor;
			import org.apache.http.HttpResponse;
			import org.apache.http.entity.AbstractHttpEntity;
			import org.apache.http.entity.ByteArrayEntity;
			import org.apache.http.client.HttpClient;
			import org.apache.http.client.ResponseHandler;
			import org.apache.http.client.ClientProtocolException;
			import org.apache.http.client.protocol.ClientContext;
			import org.apache.http.client.methods.HttpUriRequest;
			import org.apache.http.client.params.HttpClientParams;
			import org.apache.http.conn.ClientConnectionManager;
			import org.apache.http.conn.scheme.PlainSocketFactory;
			import org.apache.http.conn.scheme.Scheme;
			import org.apache.http.conn.scheme.SchemeRegistry;
			import org.apache.http.conn.ssl.SSLSocketFactory;
			import org.apache.http.impl.client.DefaultHttpClient;
			import org.apache.http.impl.client.RequestWrapper;
			import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
			import org.apache.http.params.BasicHttpParams;
			import org.apache.http.params.HttpConnectionParams;
			import org.apache.http.params.HttpParams;
			import org.apache.http.params.HttpProtocolParams;
			import org.apache.http.protocol.BasicHttpProcessor;
			import org.apache.http.protocol.HttpContext;
			import org.apache.http.protocol.BasicHttpContext;
			import org.apache.harmony.xnet.provider.jsse.SSLClientSessionCache;
			import org.apache.harmony.xnet.provider.jsse.SSLContextImpl;

			import java.io.IOException;
			import java.io.InputStream;
			import java.io.ByteArrayOutputStream;
			import java.io.OutputStream;
			import java.util.zip.GZIPInputStream;
			import java.util.zip.GZIPOutputStream;
			import java.net.URI;
			import java.security.KeyManagementException;

			import android.content.ContentResolver;
			import android.os.Looper;
			import android.os.SystemProperties;
			import android.provider.Settings;
			import android.text.TextUtils;
			import android.util.Log;

			/**
			* Subclass of the Apache {@link DefaultHttpClient} that is configured with
			* reasonable default settings and registered schemes for Android, and
			* also lets the user add {@link HttpRequestInterceptor} classes.
			* Don't create this directly, use the {@link #newInstance} factory method.
			*
			* <p>This client processes cookies but does not retain them by default.
			* To retain cookies, simply add a cookie store to the HttpContext:</p>
			*
			* <pre>context.setAttribute(ClientContext.COOKIE_STORE, cookieStore);</pre>
			*
			* {@hide}
			*/
			public final class AndroidHttpClient implements HttpClient {

			// Gzip of data shorter than this probably won't be worthwhile
			public static long DEFAULT_SYNC_MIN_GZIP_BYTES = 256;

			private static final String TAG = "AndroidHttpClient";


			/** Interceptor throws an exception if the executing thread is blocked */
			private static final HttpRequestInterceptor sThreadCheckInterceptor =
			new HttpRequestInterceptor() {
			public void process(HttpRequest request, HttpContext context) {
			// Prevent the HttpRequest from being sent on the main thread
			if (Looper.myLooper() != null && Looper.myLooper() == Looper.getMainLooper() ) {
			throw new RuntimeException("This thread forbids HTTP requests");
			}
			}
			};

			/**
			* Create a new HttpClient with reasonable defaults (which you can update).
			*
			* @param userAgent to report in your HTTP requests.
			* @param sessionCache persistent session cache
			* @return AndroidHttpClient for you to use for all your requests.
			*/
			public static AndroidHttpClient newInstance(String userAgent,
			SSLClientSessionCache sessionCache) {
			HttpParams params = new BasicHttpParams();

			// Turn off stale checking. Our connections break all the time anyway,
			// and it's not worth it to pay the penalty of checking every time.
			HttpConnectionParams.setStaleCheckingEnabled(params, false);

			// Default connection and socket timeout of 20 seconds. Tweak to taste.
			HttpConnectionParams.setConnectionTimeout(params, 20 * 1000);
			HttpConnectionParams.setSoTimeout(params, 20 * 1000);
			HttpConnectionParams.setSocketBufferSize(params, 8192);

			// Don't handle redirects -- return them to the caller. Our code
			// often wants to re-POST after a redirect, which we must do ourselves.
			HttpClientParams.setRedirecting(params, false);

			// Set the specified user agent and register standard protocols.
			HttpProtocolParams.setUserAgent(params, userAgent);
			SchemeRegistry schemeRegistry = new SchemeRegistry();
			schemeRegistry.register(new Scheme("http",
			PlainSocketFactory.getSocketFactory(), 80));
			schemeRegistry.register(new Scheme("https",
			socketFactoryWithCache(sessionCache), 443));

			ClientConnectionManager manager =
			new ThreadSafeClientConnManager(params, schemeRegistry);

			// We use a factory method to modify superclass initialization
			// parameters without the funny call-a-static-method dance.
			return new AndroidHttpClient(manager, params);
			}

			/**
			* Returns a socket factory backed by the given persistent session cache.
			*
			* @param sessionCache to retrieve sessions from, null for no cache
			*/
			private static SSLSocketFactory socketFactoryWithCache(
			SSLClientSessionCache sessionCache) {
			if (sessionCache == null) {
			// Use the default factory which doesn't support persistent
			// caching.
			return SSLSocketFactory.getSocketFactory();
			}

			// Create a new SSL context backed by the cache.
			// TODO: Keep a weak identity hash map of caches to engines. In the
			// mean time, if we have two engines for the same cache, they'll still
			// share sessions but will have to do so through the persistent cache.
			SSLContextImpl sslContext = new SSLContextImpl();
			try {
			sslContext.engineInit(null, null, null, sessionCache, null);
			} catch (KeyManagementException e) {
			throw new AssertionError(e);
			}
			return new SSLSocketFactory(sslContext.engineGetSocketFactory());
			}

			/**
			* Create a new HttpClient with reasonable defaults (which you can update).
			* @param userAgent to report in your HTTP requests.
			* @return AndroidHttpClient for you to use for all your requests.
			*/
			public static AndroidHttpClient newInstance(String userAgent) {
			return newInstance(userAgent, null /* session cache */);
			}

			private final HttpClient delegate;

			private RuntimeException mLeakedException = new IllegalStateException(
			"AndroidHttpClient created and never closed");

			private AndroidHttpClient(ClientConnectionManager ccm, HttpParams params) {
			this.delegate = new DefaultHttpClient(ccm, params) {
			@Override
			protected BasicHttpProcessor createHttpProcessor() {
			// Add interceptor to prevent making requests from main thread.
			BasicHttpProcessor processor = super.createHttpProcessor();
			processor.addRequestInterceptor(sThreadCheckInterceptor);
			processor.addRequestInterceptor(new CurlLogger());

			return processor;
			}

			@Override
			protected HttpContext createHttpContext() {
			// Same as DefaultHttpClient.createHttpContext() minus the
			// cookie store.
			HttpContext context = new BasicHttpContext();
			context.setAttribute(
			ClientContext.AUTHSCHEME_REGISTRY,
			getAuthSchemes());
			context.setAttribute(
			ClientContext.COOKIESPEC_REGISTRY,
			getCookieSpecs());
			context.setAttribute(
			ClientContext.CREDS_PROVIDER,
			getCredentialsProvider());
			return context;
			}
			};
			}

			@Override
			protected void finalize() throws Throwable {
			super.finalize();
			if (mLeakedException != null) {
			Log.e(TAG, "Leak found", mLeakedException);
			mLeakedException = null;
			}
			}

			/**
			* Modifies a request to indicate to the server that we would like a
			* gzipped response. (Uses the "Accept-Encoding" HTTP header.)
			* @param request the request to modify
			* @see #getUngzippedContent
			*/
			public static void modifyRequestToAcceptGzipResponse(HttpRequest request) {
			request.addHeader("Accept-Encoding", "gzip");
			}

			/**
			* Gets the input stream from a response entity. If the entity is gzipped
			* then this will get a stream over the uncompressed data.
			*
			* @param entity the entity whose content should be read
			* @return the input stream to read from
			* @throws IOException
			*/
			public static InputStream getUngzippedContent(HttpEntity entity)
			throws IOException {
			InputStream responseStream = entity.getContent();
			if (responseStream == null) return responseStream;
			Header header = entity.getContentEncoding();
			if (header == null) return responseStream;
			String contentEncoding = header.getValue();
			if (contentEncoding == null) return responseStream;
			if (contentEncoding.contains("gzip")) responseStream
			= new GZIPInputStream(responseStream);
			return responseStream;
			}

			/**
			* Release resources associated with this client. You must call this,
			* or significant resources (sockets and memory) may be leaked.
			*/
			public void close() {
			if (mLeakedException != null) {
			getConnectionManager().shutdown();
			mLeakedException = null;
			}
			}

			public HttpParams getParams() {
			return delegate.getParams();
			}

			public ClientConnectionManager getConnectionManager() {
			return delegate.getConnectionManager();
			}

			public HttpResponse execute(HttpUriRequest request) throws IOException {
			return delegate.execute(request);
			}

			public HttpResponse execute(HttpUriRequest request, HttpContext context)
			throws IOException {
			return delegate.execute(request, context);
			}

			public HttpResponse execute(HttpHost target, HttpRequest request)
			throws IOException {
			return delegate.execute(target, request);
			}

			public HttpResponse execute(HttpHost target, HttpRequest request,
			HttpContext context) throws IOException {
			return delegate.execute(target, request, context);
			}

			public <T> T execute(HttpUriRequest request,
			ResponseHandler<? extends T> responseHandler)
			throws IOException, ClientProtocolException {
			return delegate.execute(request, responseHandler);
			}

			public <T> T execute(HttpUriRequest request,
			ResponseHandler<? extends T> responseHandler, HttpContext context)
			throws IOException, ClientProtocolException {
			return delegate.execute(request, responseHandler, context);
			}

			public <T> T execute(HttpHost target, HttpRequest request,
			ResponseHandler<? extends T> responseHandler) throws IOException,
			ClientProtocolException {
			return delegate.execute(target, request, responseHandler);
			}

			public <T> T execute(HttpHost target, HttpRequest request,
			ResponseHandler<? extends T> responseHandler, HttpContext context)
			throws IOException, ClientProtocolException {
			return delegate.execute(target, request, responseHandler, context);
			}

			/**
			* Compress data to send to server.
			* Creates a Http Entity holding the gzipped data.
			* The data will not be compressed if it is too short.
			* @param data The bytes to compress
			* @return Entity holding the data
			*/
			public static AbstractHttpEntity getCompressedEntity(byte data[], ContentResolver resolver)
			throws IOException {
			AbstractHttpEntity entity;
			if (data.length < getMinGzipSize(resolver)) {
			entity = new ByteArrayEntity(data);
			} else {
			ByteArrayOutputStream arr = new ByteArrayOutputStream();
			OutputStream zipper = new GZIPOutputStream(arr);
			zipper.write(data);
			zipper.close();
			entity = new ByteArrayEntity(arr.toByteArray());
			entity.setContentEncoding("gzip");
			}
			return entity;
			}

			/**
			* Retrieves the minimum size for compressing data.
			* Shorter data will not be compressed.
			*/
			public static long getMinGzipSize(ContentResolver resolver) {
			String sMinGzipBytes = Settings.Gservices.getString(resolver,
			Settings.Gservices.SYNC_MIN_GZIP_BYTES);

			if (!TextUtils.isEmpty(sMinGzipBytes)) {
			try {
			return Long.parseLong(sMinGzipBytes);
			} catch (NumberFormatException nfe) {
			Log.w(TAG, "Unable to parse " +
			Settings.Gservices.SYNC_MIN_GZIP_BYTES + " " +
			sMinGzipBytes, nfe);
			}
			}
			return DEFAULT_SYNC_MIN_GZIP_BYTES;
			}

			/* cURL logging support. */

			/**
			* Logging tag and level.
			*/
			private static class LoggingConfiguration {

			private final String tag;
			private final int level;

			private LoggingConfiguration(String tag, int level) {
			this.tag = tag;
			this.level = level;
			}

			/**
			* Returns true if logging is turned on for this configuration.
			*/
			private boolean isLoggable() {
			return Log.isLoggable(tag, level);
			}

			/**
			* Returns true if auth logging is turned on for this configuration. Can only be set on
			* insecure devices.
			*/
			private boolean isAuthLoggable() {
			String secure = SystemProperties.get("ro.secure");
			return "0".equals(secure) && Log.isLoggable(tag + "-auth", level);
			}

			/**
			* Prints a message using this configuration.
			*/
			private void println(String message) {
			Log.println(level, tag, message);
			}
			}

			/** cURL logging configuration. */
			private volatile LoggingConfiguration curlConfiguration;

			/**
			* Enables cURL request logging for this client.
			*
			* @param name to log messages with
			* @param level at which to log messages (see {@link android.util.Log})
			*/
			public void enableCurlLogging(String name, int level) {
			if (name == null) {
			throw new NullPointerException("name");
			}
			if (level < Log.VERBOSE \|\| level > Log.ASSERT) {
			throw new IllegalArgumentException("Level is out of range ["
			+ Log.VERBOSE + ".." + Log.ASSERT + "]");
			}

			curlConfiguration = new LoggingConfiguration(name, level);
			}

			/**
			* Disables cURL logging for this client.
			*/
			public void disableCurlLogging() {
			curlConfiguration = null;
			}

			/**
			* Logs cURL commands equivalent to requests.
			*/
			private class CurlLogger implements HttpRequestInterceptor {
			public void process(HttpRequest request, HttpContext context)
			throws HttpException, IOException {
			LoggingConfiguration configuration = curlConfiguration;
			if (configuration != null
			&& configuration.isLoggable()
			&& request instanceof HttpUriRequest) {
			configuration.println(toCurl((HttpUriRequest) request,
			configuration.isAuthLoggable()));
			}
			}
			}

			/**
			* Generates a cURL command equivalent to the given request.
			*/
			private static String toCurl(HttpUriRequest request, boolean logAuthToken) throws IOException {
			StringBuilder builder = new StringBuilder();

			builder.append("curl ");

			for (Header header: request.getAllHeaders()) {
			if (!logAuthToken
			&& (header.getName().equals("Authorization") \|\|
			header.getName().equals("Cookie"))) {
			continue;
			}
			builder.append("--header \"");
			builder.append(header.toString().trim());
			builder.append("\" ");
			}

			URI uri = request.getURI();

			// If this is a wrapped request, use the URI from the original
			// request instead. getURI() on the wrapper seems to return a
			// relative URI. We want an absolute URI.
			if (request instanceof RequestWrapper) {
			HttpRequest original = ((RequestWrapper) request).getOriginal();
			if (original instanceof HttpUriRequest) {
			uri = ((HttpUriRequest) original).getURI();
			}
			}

			builder.append("\"");
			builder.append(uri);
			builder.append("\"");

			if (request instanceof HttpEntityEnclosingRequest) {
			HttpEntityEnclosingRequest entityRequest =
			(HttpEntityEnclosingRequest) request;
			HttpEntity entity = entityRequest.getEntity();
			if (entity != null && entity.isRepeatable()) {
			if (entity.getContentLength() < 1024) {
			ByteArrayOutputStream stream = new ByteArrayOutputStream();
			entity.writeTo(stream);
			String entityString = stream.toString();

			// TODO: Check the content type, too.
			builder.append(" --data-ascii \"")
			.append(entityString)
			.append("\"");
			} else {
			builder.append(" [TOO MUCH DATA TO INCLUDE]");
			}
			}
			}

			return builder.toString();
			}
			}

common/java/com/android/common/Rfc822InputFilter.java

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			/*
			* Copyright (C) 2008 The Android Open Source Project
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

			package com.android.common;

			import android.text.InputFilter;
			import android.text.Spanned;
			import android.text.SpannableStringBuilder;

			/**
			* Implements special address cleanup rules:
			* The first space key entry following an "@" symbol that is followed by any combination
			* of letters and symbols, including one+ dots and zero commas, should insert an extra
			* comma (followed by the space).
			*
			* @hide
			*/
			public class Rfc822InputFilter implements InputFilter {

			public CharSequence filter(CharSequence source, int start, int end, Spanned dest,
			int dstart, int dend) {

			// quick check - did they enter a single space?
			if (end-start != 1 \|\| source.charAt(start) != ' ') {
			return null;
			}

			// determine if the characters before the new space fit the pattern
			// follow backwards and see if we find a comma, dot, or @
			int scanBack = dstart;
			boolean dotFound = false;
			while (scanBack > 0) {
			char c = dest.charAt(--scanBack);
			switch (c) {
			case '.':
			dotFound = true; // one or more dots are req'd
			break;
			case ',':
			return null;
			case '@':
			if (!dotFound) {
			return null;
			}
			// we have found a comma-insert case. now just do it
			// in the least expensive way we can.
			if (source instanceof Spanned) {
			SpannableStringBuilder sb = new SpannableStringBuilder(",");
			sb.append(source);
			return sb;
			} else {
			return ", ";
			}
			default:
			// just keep going
			}
			}

			// no termination cases were found, so don't edit the input
			return null;
			}
			}

common/java/com/android/common/Rfc822Validator.java

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common/java/com/android/common/widget/NumberPicker.java

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common/java/com/android/common/widget/NumberPickerButton.java

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			/*
			* Copyright (C) 2008 The Android Open Source Project
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

			package com.android.common.widget;

			import android.content.Context;
			import android.util.AttributeSet;
			import android.view.KeyEvent;
			import android.view.MotionEvent;
			import android.widget.ImageButton;

			import com.android.internal.R;

			/**
			* This class exists purely to cancel long click events.
			*/
			public class NumberPickerButton extends ImageButton {

			private NumberPicker mNumberPicker;

			public NumberPickerButton(Context context, AttributeSet attrs,
			int defStyle) {
			super(context, attrs, defStyle);
			}

			public NumberPickerButton(Context context, AttributeSet attrs) {
			super(context, attrs);
			}

			public NumberPickerButton(Context context) {
			super(context);
			}

			public void setNumberPicker(NumberPicker picker) {
			mNumberPicker = picker;
			}

			@Override
			public boolean onTouchEvent(MotionEvent event) {
			cancelLongpressIfRequired(event);
			return super.onTouchEvent(event);
			}

			@Override
			public boolean onTrackballEvent(MotionEvent event) {
			cancelLongpressIfRequired(event);
			return super.onTrackballEvent(event);
			}

			@Override
			public boolean onKeyUp(int keyCode, KeyEvent event) {
			if ((keyCode == KeyEvent.KEYCODE_DPAD_CENTER)
			\|\| (keyCode == KeyEvent.KEYCODE_ENTER)) {
			cancelLongpress();
			}
			return super.onKeyUp(keyCode, event);
			}

			private void cancelLongpressIfRequired(MotionEvent event) {
			if ((event.getAction() == MotionEvent.ACTION_CANCEL)
			\|\| (event.getAction() == MotionEvent.ACTION_UP)) {
			cancelLongpress();
			}
			}

			private void cancelLongpress() {
			if (R.id.increment == getId()) {
			mNumberPicker.cancelIncrement();
			} else if (R.id.decrement == getId()) {
			mNumberPicker.cancelDecrement();
			}
			}
			}