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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;
/**
* This is an entity class used to pass required parameters to get
* the necessary information to communicate with online DRM server
*
* An instance of this class is passed to {@link DrmManagerClient#acquireDrmInfo(DrmInfoRequest)}
* to get the instance of {@link DrmInfo}
*
*/
public class DrmInfoRequest {
// Changes in following constants should be in sync with DrmInfoRequest.h
/**
* Constants defines the type of {@link DrmInfoRequest}
*/
public static final int TYPE_REGISTRATION_INFO = 1;
public static final int TYPE_UNREGISTRATION_INFO = 2;
public static final int TYPE_RIGHTS_ACQUISITION_INFO = 3;
public static final int TYPE_RIGHTS_ACQUISITION_PROGRESS_INFO = 4;
/**
* Key to pass the unique id for the account or the user
*/
public static final String ACCOUNT_ID = "account_id";
/**
* Key to pass the unique id used for 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>();
/**
* constructor to create DrmInfoRequest object with type and mimetype
*
* @param infoType Type of information
* @param mimeType MIME type
*/
public DrmInfoRequest(int infoType, String mimeType) {
mInfoType = infoType;
mMimeType = mimeType;
}
/**
* Returns the mimetype associated with this object
*
* @return MIME type
*/
public String getMimeType() {
return mMimeType;
}
/**
* Returns Information type associated with this instance
*
* @return Information type
*/
public int getInfoType() {
return mInfoType;
}
/**
* Adds optional information as <key, value> pair to this object.
*
* @param key Key to add
* @param value Value to add
*/
public void put(String key, Object value) {
mRequestInformation.put(key, value);
}
/**
* Retrieves the value of given key, if not found returns null
*
* @param key Key whose value to be retrieved
* @return The value or null
*/
public Object get(String key) {
return mRequestInformation.get(key);
}
/**
* Returns Iterator object to walk through the keys associated with this instance
*
* @return Iterator object
*/
public Iterator<String> keyIterator() {
return mRequestInformation.keySet().iterator();
}
/**
* Returns Iterator object to walk through the values associated with this instance
*
* @return 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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