org.jclouds.rimuhosting.miro.functions.ParseRimuHostingException.java Source code

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Here is the source code for org.jclouds.rimuhosting.miro.functions.ParseRimuHostingException.java

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
 *
 * ====================================================================
 * 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.jclouds.rimuhosting.miro.functions;

import static org.jclouds.util.Throwables2.propagateOrNull;

import java.lang.reflect.Type;
import java.util.Map;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.http.HttpResponseException;
import org.jclouds.json.Json;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rimuhosting.miro.domain.internal.RimuHostingResponse;

import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.google.gson.reflect.TypeToken;

/**
 * On non 2xx we have an error. RimuHosting using the same json base object.
 * 
 * TODO: map exceptions out into something that suits jclouds.
 * 
 * @author Ivan Meredith
 */
@Singleton
public class ParseRimuHostingException implements Function<Exception, Object> {
    private Json json;

    @Inject
    public ParseRimuHostingException(Json json) {
        this.json = json;
    }

    @Override
    public Object apply(Exception e) {
        if (e instanceof HttpResponseException) {
            HttpResponseException responseException = (HttpResponseException) e;
            if (responseException.getContent() != null) {
                Type setType = new TypeToken<Map<String, RimuHostingResponse>>() {
                }.getType();
                String test = responseException.getContent();
                Map<String, RimuHostingResponse> responseMap = json.fromJson(test, setType);
                RimuHostingResponse firstResponse = Iterables.get(responseMap.values(), 0);
                String errorClass = firstResponse.getErrorInfo().getErrorClass();
                if (errorClass.equals("PermissionException"))
                    throw new AuthorizationException(firstResponse.getErrorInfo().getErrorMessage(),
                            responseException);
                throw new RuntimeException(firstResponse.getErrorInfo().getErrorMessage(), e);
            }
        }
        return propagateOrNull(e);
    }
}