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/*
* Copyright (C) 2010 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 android.drm;
import java.util.HashMap;
import java.util.Iterator;
/**
* An entity class that is used to pass information to an online DRM server. An instance of this
* class is passed to the {@link DrmManagerClient#acquireDrmInfo acquireDrmInfo()} method to get an
* instance of a {@link DrmInfo}.
*
*/
public class DrmInfoRequest {
// Changes in following constants should be in sync with DrmInfoRequest.h
/**
* Acquires DRM server registration information.
*/
public static final int TYPE_REGISTRATION_INFO = 1;
/**
* Acquires information for unregistering the DRM server.
*/
public static final int TYPE_UNREGISTRATION_INFO = 2;
/**
* Acquires rights information.
*/
public static final int TYPE_RIGHTS_ACQUISITION_INFO = 3;
/**
* Acquires the progress of the rights acquisition.
*/
public static final int TYPE_RIGHTS_ACQUISITION_PROGRESS_INFO = 4;
/**
* Key that is used to pass the unique session ID for the account or the user.
*/
public static final String ACCOUNT_ID = "account_id";
/**
* Key that is used to pass the unique session ID for the subscription.
*/
public static final String SUBSCRIPTION_ID = "subscription_id";
private final int mInfoType;
private final String mMimeType;
private final HashMap<String, Object> mRequestInformation = new HashMap<String, Object>();
/**
* Creates a <code>DrmInfoRequest</code> object with type and MIME type.
*
* @param infoType Type of information.
* @param mimeType MIME type.
*/
public DrmInfoRequest(int infoType, String mimeType) {
mInfoType = infoType;
mMimeType = mimeType;
if (!isValid()) {
final String msg = "infoType: " + infoType + "," +
"mimeType: " + mimeType;
throw new IllegalArgumentException(msg);
}
}
/**
* Retrieves the MIME type associated with this object.
*
* @return The MIME type.
*/
public String getMimeType() {
return mMimeType;
}
/**
* Retrieves the information type associated with this object.
*
* @return The information type.
*/
public int getInfoType() {
return mInfoType;
}
/**
* Adds optional information as key-value pairs to this object.
*
* @param key The key to add.
* @param value The value to add.
*/
public void put(String key, Object value) {
mRequestInformation.put(key, value);
}
/**
* Retrieves the value of a given key.
*
* @param key The key whose value is being retrieved.
*
* @return The value of the key that is being retrieved. Returns null if the key cannot be
* found.
*/
public Object get(String key) {
return mRequestInformation.get(key);
}
/**
* Retrieves an iterator object that you can use to iterate over the keys associated with
* this <code>DrmInfoRequest</code> object.
*
* @return The iterator object.
*/
public Iterator<String> keyIterator() {
return mRequestInformation.keySet().iterator();
}
/**
* Retrieves an iterator object that you can use to iterate over the values associated with
* this <code>DrmInfoRequest</code> object.
*
* @return The iterator object.
*/
public Iterator<Object> iterator() {
return mRequestInformation.values().iterator();
}
/**
* Returns whether this instance is valid or not
*
* @return
* true if valid
* false if invalid
*/
boolean isValid() {
return (null != mMimeType && !mMimeType.equals("")
&& null != mRequestInformation && isValidType(mInfoType));
}
/* package */ static boolean isValidType(int infoType) {
boolean isValid = false;
switch (infoType) {
case TYPE_REGISTRATION_INFO:
case TYPE_UNREGISTRATION_INFO:
case TYPE_RIGHTS_ACQUISITION_INFO:
case TYPE_RIGHTS_ACQUISITION_PROGRESS_INFO:
isValid = true;
break;
}
return isValid;
}
}
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