com.aliyun.android.oss.task.MultipartUploadCompleteTask.java Source code

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Here is the source code for com.aliyun.android.oss.task.MultipartUploadCompleteTask.java

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/**
 * Copyright (c) 2012 The Wiseserc. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
package com.aliyun.android.oss.task;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.entity.ByteArrayEntity;
import org.xmlpull.v1.XmlPullParserException;

import android.util.Log;

import com.aliyun.android.oss.OSSErrorCode;
import com.aliyun.android.oss.OSSException;
import com.aliyun.android.oss.http.HttpMethod;
import com.aliyun.android.oss.http.OSSHttpTool;
import com.aliyun.android.oss.model.OSSObject;
import com.aliyun.android.oss.model.Part;
import com.aliyun.android.oss.xmlparser.MultipartUploadCompleteXmlParser;
import com.aliyun.android.oss.xmlserializer.PartsXmlSerializer;
import com.aliyun.android.util.Helper;

/**
 * ?MultipartUpload
 * ???Multipart Upload Complete Task??Multipart Upload
 * ????Part(part??ETAG)OSS??Part
 * ????PartPart??OSS?Part??
 * Object
 * 
 * @author Michael
 */
public class MultipartUploadCompleteTask extends Task {
    /**
     * Object??
     */
    private String objectKey;

    /**
     * uploadId
     */
    private String uploadId;

    /**
     * ?Part
     */
    private List<Part> partsList;

    /**
     * 
     */
    public MultipartUploadCompleteTask(String bucketName, String objectKey, String uploadId, List<Part> partsList) {
        super(HttpMethod.POST, bucketName);
        this.objectKey = objectKey;
        this.uploadId = uploadId;
        this.partsList = partsList;
        httpTool.setUploadId(uploadId);
    }

    /**
     * ???
     */
    @Override
    protected void checkArguments() {
        if (Helper.isEmptyString(bucketName) || Helper.isEmptyString(objectKey)) {
            throw new IllegalArgumentException("bucketName or objectKey not set");
        }
        if (Helper.isEmptyString(uploadId)) {
            throw new IllegalArgumentException("uploadId not set");
        }
        if (partsList == null) {
            throw new IllegalArgumentException("partsList cannot be null");
        }
    }

    /**
     * ?partXML??
     */
    private String generateHttpEntity() {
        PartsXmlSerializer serializer = new PartsXmlSerializer("CompleteMultipartUpload");
        return serializer.serialize(partsList);
    }

    /**
     * HttpPost
     * 
     * @throws UnsupportedEncodingException
     */
    protected HttpUriRequest generateHttpRequest() {
        String requestUri = this.getOSSEndPoint()
                + httpTool.generateCanonicalizedResource("/" + OSSHttpTool.encodeUri(objectKey));
        HttpPost httpPost = new HttpPost(requestUri);

        // ??
        byte[] data = generateHttpEntity().getBytes();

        String resource = httpTool.generateCanonicalizedResource("/" + bucketName + "/" + objectKey);
        String dateStr = Helper.getGMTDate();
        String authorization = OSSHttpTool.generateAuthorization(accessId, accessKey, httpMethod.toString(), "", "",
                dateStr, "", resource);

        httpPost.setHeader(AUTHORIZATION, authorization);
        httpPost.setHeader(DATE, dateStr);

        try {
            httpPost.setEntity(new ByteArrayEntity(data));
        } catch (Exception e) {
            Log.e(this.getClass().getName(), e.getMessage());
        }

        return httpPost;
    }

    /**
     * ????Object?bucket, objectKey?ETag
     * 
     * @return
     * @throws OSSException
     */
    public OSSObject getResult() throws OSSException {
        try {
            HttpResponse r = this.execute();
            return new MultipartUploadCompleteXmlParser().parse(r.getEntity().getContent());
        } catch (OSSException osse) {
            throw osse;
        } catch (XmlPullParserException xe) {
            OSSException ossException = new OSSException(xe);
            ossException.setErrorCode(OSSErrorCode.PARSE_XML_ERROR);
            throw ossException;
        } catch (IOException ioe) {
            OSSException ossException = new OSSException(ioe);
            ossException.setErrorCode(OSSErrorCode.GET_ENTITY_CONTENT_ERROR);
            throw ossException;
            //        } catch (Exception e) {
            //            throw new OSSException(e);
        } finally {
            this.releaseHttpClient();
        }
    }

    public String getBucketName() {
        return bucketName;
    }

    public void setBucketName(String bucketName) {
        this.bucketName = bucketName;
    }

    public String getObjectKey() {
        return objectKey;
    }

    public void setObjectKey(String objectKey) {
        this.objectKey = objectKey;
    }

    public String getUploadId() {
        return uploadId;
    }

    public void setUploadId(String uploadId) {
        this.uploadId = uploadId;
    }

    public List<Part> getPartsList() {
        return partsList;
    }

    public void setPartsList(List<Part> partsList) {
        this.partsList = partsList;
    }
}