| /* |
| * Copyright (C) 2011 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.filterfw.core; |
| |
| import java.lang.reflect.Field; |
| |
| /** |
| * @hide |
| */ |
| public class ProgramPort extends FieldPort { |
| |
| protected String mVarName; |
| |
| public ProgramPort(Filter filter, |
| String name, |
| String varName, |
| Field field, |
| boolean hasDefault) { |
| super(filter, name, field, hasDefault); |
| mVarName = varName; |
| } |
| |
| @Override |
| public String toString() { |
| return "Program " + super.toString(); |
| } |
| |
| @Override |
| public synchronized void transfer(FilterContext context) { |
| if (mValueWaiting) { |
| try { |
| Object fieldValue = mField.get(mFilter); |
| if (fieldValue != null) { |
| Program program = (Program)fieldValue; |
| program.setHostValue(mVarName, mValue); |
| mValueWaiting = false; |
| } |
| } catch (IllegalAccessException e) { |
| throw new RuntimeException( |
| "Access to program field '" + mField.getName() + "' was denied!"); |
| } catch (ClassCastException e) { |
| throw new RuntimeException("Non Program field '" + mField.getName() |
| + "' annotated with ProgramParameter!"); |
| } |
| } |
| } |
| } |