org.uiautomation.ios.communication.FailedWebDriverLikeResponse.java Source code

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Here is the source code for org.uiautomation.ios.communication.FailedWebDriverLikeResponse.java

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/*
 * Copyright 2012 ios-driver committers.
 * 
 * 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.uiautomation.ios.communication;

import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.uiautomation.ios.exceptions.ExceptionStatus;
import org.uiautomation.ios.exceptions.IOSAutomationException;

public class FailedWebDriverLikeResponse extends WebDriverLikeResponse {

    public FailedWebDriverLikeResponse(JSONObject content) throws JSONException {
        super(content);
    }

    public FailedWebDriverLikeResponse(String sessionId, Exception e) {
        super(sessionId, 13, null);
        try {
            setValue(serializeException(e));
        } catch (JSONException e2) {
            throw new IOSAutomationException(e2);
        }
    }

    private JSONObject serializeException(Throwable e) throws JSONException {
        JSONObject res = new JSONObject();
        res.put("message", e.getMessage());
        res.put("class", e.getClass().getCanonicalName());
        res.put("screen", "TODO");
        res.put("stacktrace", serializeStackTrace(e.getStackTrace()));
        if (e.getCause() != null) {
            res.put("cause", serializeException(e.getCause()));
        }
        return res;

    }

    private JSONArray serializeStackTrace(StackTraceElement[] els) throws JSONException {
        JSONArray stacktace = new JSONArray();
        for (StackTraceElement el : els) {
            JSONObject stckEl = new JSONObject();
            stckEl.put("fileName", el.getFileName());
            stckEl.put("className", el.getClassName());
            stckEl.put("methodName", el.getMethodName());
            stckEl.put("lineNumber", el.getLineNumber());
            stacktace.put(stckEl);
        }
        return stacktace;
    }

    public static Exception createThrowable(JSONObject serialized) {
        try {
            Class<? extends Exception> c = getException(serialized);

            String msg = serialized.getString("message");

            JSONObject cause = serialized.optJSONObject("cause");
            Throwable causeThrowable = null;
            if (cause != null) {
                causeThrowable = createThrowable(cause);
            }

            Object[] args = new Object[] { msg, (Exception) causeThrowable };
            Class<?>[] argsClass = new Class[] { String.class, Throwable.class };
            Constructor<?> constructor = c.getConstructor(argsClass);
            Throwable exception = (Throwable) constructor.newInstance(args);
            JSONArray stack = serialized.optJSONArray("stacktrace");
            if (stack != null) {
                List<StackTraceElement> stacks = new ArrayList<StackTraceElement>();
                for (int i = 0; i < stack.length(); i++) {
                    JSONObject o = stack.getJSONObject(i);
                    String fileName = o.getString("fileName");
                    String className = o.getString("className");
                    String methodName = o.getString("methodName");
                    int lineNumber = o.getInt("lineNumber");
                    StackTraceElement el = new StackTraceElement(className, methodName, fileName, lineNumber);
                    stacks.add(el);
                }
                exception.setStackTrace(stacks.toArray(new StackTraceElement[0]));
            }
            return (Exception) exception;
        } catch (Exception e) {
            throw new IOSAutomationException(
                    "error deserializing the exception from the server : " + serialized.toString(), e);
        }

    }

    private static Class<? extends Exception> getException(JSONObject serialized) throws ClassNotFoundException {
        String clazz = serialized.optString("class");
        if (clazz == null || clazz.isEmpty()) {
            Integer statusCode = serialized.optInt("status");
            if (statusCode != null) {
                return ExceptionStatus.getExceptionForStatus(statusCode);
            }
            clazz = IOSAutomationException.class.getCanonicalName();
        }
        return (Class<? extends Exception>) Class.forName(clazz);
    }

}