at.tugraz.iaik.magnum.conf.MethodHookConfig.java Source code

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Here is the source code for at.tugraz.iaik.magnum.conf.MethodHookConfig.java

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/*******************************************************************************
 * Copyright 2013 Alexander Jesner, Bernd Prnster
 * Copyright 2013, 2014 Bernd Prnster
 *
 *     This file is part of Magnum PI.
 *
 *     Magnum PI is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     Magnum PI is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with Magnum PI.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package at.tugraz.iaik.magnum.conf;

import java.io.Serializable;

import org.json.JSONException;
import org.json.JSONObject;

public class MethodHookConfig implements Serializable {

    private static final long serialVersionUID = -1476109735460687678L;

    private static final String TYPE = "type";
    private static final String NUM_INVOCATIONS = "numInvocations";
    private static final String NAME_METHOD = "methodName";

    public static final byte NONE = 0;
    public static final byte FULL = 1;
    public static final byte TRIGGER = 2;

    private byte type;
    private int numInvocations;
    private final String methodName;

    public MethodHookConfig(String methodName, byte type) {
        this.type = type;
        this.methodName = methodName;
    }

    public MethodHookConfig(String methodName, int numInvocations) {
        this.numInvocations = numInvocations;
        this.type = TRIGGER;
        this.methodName = methodName;
    }

    public int getNumInvocations() {
        return numInvocations;
    }

    public void setNumInvocations(int numInvocations) {
        this.numInvocations = numInvocations;
    }

    public byte getType() {
        return type;
    }

    public void setType(byte type) {
        this.type = type;
    }

    public String getMethodName() {
        return methodName;
    }

    public String toJSonString() throws JSONException {
        JSONObject json = new JSONObject();
        json.put(NAME_METHOD, methodName);
        json.put(TYPE, type);
        json.put(NUM_INVOCATIONS, numInvocations);
        return json.toString();
    }

    public static MethodHookConfig fromJsonString(String json) throws Exception {
        JSONObject jsO = new JSONObject(json);
        byte type = (byte) jsO.getInt(TYPE);
        int numInvocations = jsO.getInt(NUM_INVOCATIONS);
        String methodName = jsO.getString(NAME_METHOD);
        return numInvocations > 0 ? new MethodHookConfig(methodName, numInvocations)
                : new MethodHookConfig(methodName, type);
    }

}