/**
* Copyright Microsoft Corporation
*
* 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.microsoft.windowsazure.services.media.implementation;
import java.net.URI;
import java.util.Arrays;
import javax.inject.Inject;
import com.microsoft.windowsazure.core.UserAgentFilter;
import com.microsoft.windowsazure.core.pipeline.filter.ServiceRequestFilter;
import com.microsoft.windowsazure.core.pipeline.filter.ServiceResponseFilter;
import com.microsoft.windowsazure.core.pipeline.jersey.ClientConfigSettings;
import com.microsoft.windowsazure.core.pipeline.jersey.ClientFilterAdapter;
import com.microsoft.windowsazure.core.pipeline.jersey.ClientFilterRequestAdapter;
import com.microsoft.windowsazure.core.pipeline.jersey.ClientFilterResponseAdapter;
import com.microsoft.windowsazure.core.pipeline.jersey.ServiceFilter;
import com.microsoft.windowsazure.services.media.MediaContract;
import com.microsoft.windowsazure.services.media.WritableBlobContainerContract;
import com.microsoft.windowsazure.services.media.entityoperations.EntityProxyData;
import com.microsoft.windowsazure.services.media.entityoperations.EntityRestProxy;
import com.microsoft.windowsazure.services.media.models.LocatorInfo;
import com.microsoft.windowsazure.services.media.models.LocatorType;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.client.filter.ClientFilter;
/**
* The Class MediaRestProxy.
*/
public class MediaRestProxy extends EntityRestProxy implements MediaContract {
/** The redirect filter. */
private RedirectFilter redirectFilter;
private final ClientConfigSettings clientConfigSettings;
/**
* Instantiates a new media rest proxy.
*
* @param channel
* the channel
* @param authFilter
* the auth filter
* @param redirectFilter
* the redirect filter
* @param versionHeadersFilter
* the version headers filter
* @param userAgentFilter
* the user agent filter
* @param clientConfigSettings
* Currently configured HTTP client settings
*
*/
@Inject
public MediaRestProxy(Client channel, OAuthFilter authFilter,
RedirectFilter redirectFilter,
VersionHeadersFilter versionHeadersFilter,
UserAgentFilter userAgentFilter,
ClientConfigSettings clientConfigSettings) {
super(channel, new ClientFilter[0]);
this.clientConfigSettings = clientConfigSettings;
this.redirectFilter = redirectFilter;
channel.addFilter(redirectFilter);
channel.addFilter(authFilter);
channel.addFilter(versionHeadersFilter);
channel.addFilter(new ClientFilterRequestAdapter(userAgentFilter));
}
/**
* Instantiates a new media rest proxy.
*
* @param channel
* the channel
* @param filters
* the filters
* @param clientConfigSettings
* currently configured HTTP client settings
*/
private MediaRestProxy(Client channel, ClientFilter[] filters,
ClientConfigSettings clientConfigSettings) {
super(channel, filters);
this.clientConfigSettings = clientConfigSettings;
}
@Override
public MediaContract withFilter(ServiceFilter filter) {
ClientFilter[] currentFilters = getFilters();
ClientFilter[] newFilters = Arrays.copyOf(currentFilters,
currentFilters.length + 1);
newFilters[currentFilters.length] = new ClientFilterAdapter(filter);
return new MediaRestProxy(getChannel(), newFilters,
clientConfigSettings);
}
@Override
public MediaContract withRequestFilterFirst(
ServiceRequestFilter serviceRequestFilter) {
ClientFilter[] currentFilters = getFilters();
ClientFilter[] newFilters = new ClientFilter[currentFilters.length + 1];
System.arraycopy(currentFilters, 0, newFilters, 1,
currentFilters.length);
newFilters[0] = new ClientFilterRequestAdapter(serviceRequestFilter);
return new MediaRestProxy(getChannel(), newFilters,
clientConfigSettings);
}
@Override
public MediaContract withRequestFilterLast(
ServiceRequestFilter serviceRequestFilter) {
ClientFilter[] currentFilters = getFilters();
ClientFilter[] newFilters = Arrays.copyOf(currentFilters,
currentFilters.length + 1);
newFilters[currentFilters.length] = new ClientFilterRequestAdapter(
serviceRequestFilter);
return new MediaRestProxy(getChannel(), newFilters,
clientConfigSettings);
}
@Override
public MediaContract withResponseFilterFirst(
ServiceResponseFilter serviceResponseFilter) {
ClientFilter[] currentFilters = getFilters();
ClientFilter[] newFilters = new ClientFilter[currentFilters.length + 1];
System.arraycopy(currentFilters, 0, newFilters, 1,
currentFilters.length);
newFilters[0] = new ClientFilterResponseAdapter(serviceResponseFilter);
return new MediaRestProxy(getChannel(), newFilters,
clientConfigSettings);
}
@Override
public MediaContract withResponseFilterLast(
ServiceResponseFilter serviceResponseFilter) {
ClientFilter[] currentFilters = getFilters();
ClientFilter[] newFilters = Arrays.copyOf(currentFilters,
currentFilters.length + 1);
newFilters[currentFilters.length] = new ClientFilterResponseAdapter(
serviceResponseFilter);
return new MediaRestProxy(getChannel(), newFilters,
clientConfigSettings);
}
/*
* (non-Javadoc)
*
* @see
* com.microsoft.windowsazure.services.media.entityoperations.EntityRestProxy
* #createProxyData()
*/
@Override
protected EntityProxyData createProxyData() {
return new EntityProxyData() {
@Override
public URI getServiceUri() {
return redirectFilter.getBaseURI();
}
};
}
/*
* (non-Javadoc)
*
* @see
* com.microsoft.windowsazure.services.media.MediaContract#createBlobWriter
* (com.microsoft.windowsazure.services.media.models.LocatorInfo)
*/
@Override
public WritableBlobContainerContract createBlobWriter(LocatorInfo locator) {
if (locator.getLocatorType() != LocatorType.SAS) {
throw new IllegalArgumentException("Can only write to SAS locators");
}
LocatorParser p = new LocatorParser(locator);
return new MediaBlobContainerWriter(createUploaderClient(),
p.getAccountName(), p.getStorageUri(), p.getContainer(),
p.getSASToken());
}
/**
* Helper class to encapsulate pulling information out of the locator.
*/
private static class LocatorParser {
private URI locatorPath;
public LocatorParser(LocatorInfo locator) {
locatorPath = URI.create(locator.getPath());
}
public String getAccountName() {
return locatorPath.getHost().split("\\.")[0];
}
public String getStorageUri() {
return locatorPath.getScheme() + "://" + locatorPath.getAuthority();
}
public String getContainer() {
return locatorPath.getPath().substring(1);
}
public String getSASToken() {
return locatorPath.getRawQuery();
}
}
private Client createUploaderClient() {
ClientConfig clientConfig = new DefaultClientConfig();
clientConfigSettings.applyConfig(clientConfig);
Client client = Client.create(clientConfig);
clientConfigSettings.applyConfig(client);
return client;
}
}