org.jclouds.b2.functions.ParseB2ObjectFromResponse.java Source code

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Here is the source code for org.jclouds.b2.functions.ParseB2ObjectFromResponse.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.b2.functions;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Date;
import java.util.Map;

import org.jclouds.http.HttpResponse;
import org.jclouds.io.MutableContentMetadata;
import org.jclouds.io.Payload;
import org.jclouds.b2.domain.B2Object;
import org.jclouds.b2.reference.B2Headers;

import com.google.common.base.Function;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableMap;
import com.google.common.net.HttpHeaders;

public final class ParseB2ObjectFromResponse implements Function<HttpResponse, B2Object> {
    @Override
    public B2Object apply(HttpResponse from) {
        Payload payload = from.getPayload();
        MutableContentMetadata contentMeta = payload.getContentMetadata();

        String fileId = from.getFirstHeaderOrNull(B2Headers.FILE_ID);
        String fileName;
        try {
            fileName = URLDecoder.decode(from.getFirstHeaderOrNull(B2Headers.FILE_NAME), "UTF-8");
        } catch (UnsupportedEncodingException uee) {
            throw Throwables.propagate(uee);
        }
        String contentSha1 = from.getFirstHeaderOrNull(B2Headers.CONTENT_SHA1);
        ImmutableMap.Builder<String, String> fileInfo = ImmutableMap.builder();
        for (Map.Entry<String, String> entry : from.getHeaders().entries()) {
            if (entry.getKey().regionMatches(true, 0, B2Headers.FILE_INFO_PREFIX, 0,
                    B2Headers.FILE_INFO_PREFIX.length())) {
                String value;
                try {
                    value = URLDecoder.decode(entry.getValue(), "UTF-8");
                } catch (UnsupportedEncodingException uee) {
                    throw Throwables.propagate(uee);
                }
                fileInfo.put(entry.getKey().substring(B2Headers.FILE_INFO_PREFIX.length()), value);
            }
        }
        Date uploadTimestamp = new Date(Long.parseLong(from.getFirstHeaderOrNull(B2Headers.UPLOAD_TIMESTAMP)));
        String contentRange = from.getFirstHeaderOrNull(HttpHeaders.CONTENT_RANGE);

        return B2Object.create(fileId, fileName, null, null, contentMeta.getContentLength(), contentSha1,
                contentMeta.getContentType(), fileInfo.build(), null, uploadTimestamp.getTime(), contentRange,
                payload);
    }
}