Android Open Source - AndroidPlugin Framework Class Loader

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License

The source code is released under:

MIT License

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Java Source Code

/*
 * Copyright (C) 2015 HouKx <hkx.aidream@gmail.com>
 */*from   ww  w . j a  v  a2 s .c om*/
 * 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 androidx.pluginmgr;

import android.util.Log;

/**
 * ???????Application ? classLoder?????????????
 * 
 * @author HouKangxi
 * 
 */
class FrameworkClassLoader extends ClassLoader {
    private volatile String[] plugIdAndActname;

    public FrameworkClassLoader(ClassLoader parent) {
        super(parent);
    }

    String newActivityClassName(String plugId, String actName) {
        plugIdAndActname = new String[] { plugId, actName };
        return ActivityOverider.targetClassName;
    }

    protected Class<?> loadClass(String className, boolean resolv)
            throws ClassNotFoundException {
        Log.i("cl", "loadClass: " + className);
        String[] plugIdAndActname = this.plugIdAndActname;
        Log.i("cl",
                "plugIdAndActname = "
                        + java.util.Arrays.toString(plugIdAndActname));
        if (plugIdAndActname != null) {
            String pluginId = plugIdAndActname[0];

            PlugInfo plugin = PluginManager.getInstance().getPluginById(
                    pluginId);
            Log.i("cl", "plugin = " + plugin);
            if (plugin != null) {
                try {
                    if (className.equals(ActivityOverider.targetClassName)) {
                        String actClassName = plugIdAndActname[1];
                        return plugin.getClassLoader().loadActivityClass(
                                actClassName);
                    } else {
                        return plugin.getClassLoader().loadClass(className);
                    }
                } catch (ClassNotFoundException e) {
                    e.printStackTrace();
                }
            }
        }

        return super.loadClass(className, resolv);
    }
}

Java Source Code List