org.droidparts.inject.injector.FragmentInjector.java Source code

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Here is the source code for org.droidparts.inject.injector.FragmentInjector.java

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/**
 * Copyright 2012 Alex Yanchenko
 * 
 * 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 org.droidparts.inject.injector;

import static org.droidparts.reflect.util.ReflectionUtils.setFieldVal;

import java.lang.reflect.Field;

import org.droidparts.annotation.inject.InjectFragment;
import org.droidparts.util.inner.ResourceUtils;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;

public class FragmentInjector {

    static boolean inject(FragmentActivity activity, InjectFragment ann, Field field) {
        int fragmenId = ann.value();
        if (fragmenId == 0) {
            fragmenId = ResourceUtils.getResourceId(activity, field.getName());
        }
        if (fragmenId != 0) {
            Fragment fragment = activity.getSupportFragmentManager().findFragmentById(fragmenId);
            try {
                setFieldVal(field, activity, fragment);
                return true;
            } catch (IllegalArgumentException e) {
                // swallow
            }
        }
        return false;
    }

}