Android Open Source - khandroid Rest Functionality Impl

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2012-2014 Ognyan Bankov
 *//from   w ww  . jav  a 2 s.  c o m
 * 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 com.github.khandroid.rest;

import java.io.IOException;
import java.net.UnknownHostException;

import org.slf4j.LoggerFactory;

import com.github.khandroid.http.functionality.HttpFunctionality;
import com.github.khandroid.rest.RestExchangeFailedException;


public class RestFunctionalityImpl implements RestFunctionality {
    private final HttpFunctionality mHttpFunc;
    private final org.slf4j.Logger mLogger = LoggerFactory.getLogger(RestFunctionalityImpl.class
            .getSimpleName());


    public RestFunctionalityImpl(HttpFunctionality httpFunc) {
        if (httpFunc != null) {
            mHttpFunc = httpFunc;
        } else {
            throw new IllegalArgumentException("Passed parameter httpFunc is null");
        }
    }


    @Override
    public <T> T execute(RestExchange<T> x) throws RestExchangeFailedException {
        T ret = null;

        try {
            try {
                ret = x.perform(mHttpFunc);
            } catch (InvalidJsonString e) {
                mLogger.error(e.getMessage());
                throw new RestExchangeFailedException("Parsing response failed because of malformed json returned from server.", e);
            }
        } catch (khandroid.ext.apache.http.client.ClientProtocolException e) {
            mLogger.error(e.getMessage());
            throw new RestExchangeFailedException("Executing request failed because of protocol violation.", e);
        } catch (UnknownHostException e) {
            mLogger.error(e.getMessage());
            throw new RestExchangeFailedException("Executing request failed. Unknown host. Is there internet connection?", e);
        } catch (IOException e) {
            mLogger.error(e.getMessage());
            throw new RestExchangeFailedException("Executing request failed.", e);
        }

        return ret;
    }
}

Java Source Code List

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