/* * 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. *

* 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 mFileSuffixList = new ArrayList(); private final ArrayList mMimeTypeList = new ArrayList(); 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 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 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. */ public String getDescriprition() { return mDescription; } /** * Overridden hash code implementation. * * @return The hash code value. */ public int hashCode() { return mFileSuffixList.hashCode() + mMimeTypeList.hashCode() + mDescription.hashCode(); } /** * Overridden equals 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); } }