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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.ArrayList;
import java.util.Iterator;
/**
* An entity class that wraps the capability of each DRM plug-in (agent),
* such as the MIME type and file suffix the DRM plug-in can handle.
*<p>
* Plug-in developers can expose the capability of their plug-in by passing an instance of this
* class to an application.
*
*/
public class DrmSupportInfo {
private final ArrayList<String> mFileSuffixList = new ArrayList<String>();
private final ArrayList<String> mMimeTypeList = new ArrayList<String>();
private String mDescription = "";
/**
* Adds the specified MIME type to the list of MIME types this DRM plug-in supports.
*
* @param mimeType MIME type that can be handles by this DRM plug-in.
*/
public void addMimeType(String mimeType) {
mMimeTypeList.add(mimeType);
}
/**
* Adds the specified file suffix to the list of file suffixes this DRM plug-in supports.
*
* @param fileSuffix File suffix that can be handled by this DRM plug-in.
*/
public void addFileSuffix(String fileSuffix) {
mFileSuffixList.add(fileSuffix);
}
/**
* Retrieves an iterator object that you can use to iterate over the MIME types that
* this DRM plug-in supports.
*
* @return The iterator object
*/
public Iterator<String> getMimeTypeIterator() {
return mMimeTypeList.iterator();
}
/**
* Retrieves an iterator object that you can use to iterate over the file suffixes that
* this DRM plug-in supports.
*
* @return The iterator object.
*/
public Iterator<String> getFileSuffixIterator() {
return mFileSuffixList.iterator();
}
/**
* Sets a description for the DRM plug-in (agent).
*
* @param description Unique description of plug-in.
*/
public void setDescription(String description) {
if (null != description) {
mDescription = description;
}
}
/**
* Retrieves the DRM plug-in (agent) description.
*
* @return The plug-in description.
* @deprecated The method name is mis-spelled, and it is replaced by
* {@link #getDescription()}.
*/
public String getDescriprition() {
return mDescription;
}
/**
* Retrieves the DRM plug-in (agent) description.
*
* @return The plug-in description.
*/
public String getDescription() {
return mDescription;
}
/**
* Overridden hash code implementation.
*
* @return The hash code value.
*/
public int hashCode() {
return mFileSuffixList.hashCode() + mMimeTypeList.hashCode() + mDescription.hashCode();
}
/**
* Overridden <code>equals</code> implementation.
*
* @param object The object to be compared.
* @return True if equal; false if not equal.
*/
public boolean equals(Object object) {
boolean result = false;
if (object instanceof DrmSupportInfo) {
result = mFileSuffixList.equals(((DrmSupportInfo) object).mFileSuffixList) &&
mMimeTypeList.equals(((DrmSupportInfo) object).mMimeTypeList) &&
mDescription.equals(((DrmSupportInfo) object).mDescription);
}
return result;
}
/**
* Determines whether a given MIME type is supported.
*
* @param mimeType MIME type.
* @return True if Mime type is supported; false if MIME type is not supported.
*/
/* package */ boolean isSupportedMimeType(String mimeType) {
if (null != mimeType && !mimeType.equals("")) {
for (int i = 0; i < mMimeTypeList.size(); i++) {
String completeMimeType = mMimeTypeList.get(i);
if (completeMimeType.startsWith(mimeType)) {
return true;
}
}
}
return false;
}
/**
* Determines whether a given file suffix is supported.
*
* @param fileSuffix File suffix.
* @return True if file suffix is supported; false if file suffix is not supported.
*/
/* package */ boolean isSupportedFileSuffix(String fileSuffix) {
return mFileSuffixList.contains(fileSuffix);
}
}
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