com.ksyun.ks3.dto.ObjectMetadata Maven / Gradle / Ivy

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package com.ksyun.ks3.dto;

import com.ksyun.ks3.config.Constants;
import com.ksyun.ks3.http.HttpHeaders;
import com.ksyun.ks3.utils.StringUtils;

import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * @author lijunwei[[email protected]]  
 *
 * @date 2014年10月16日 下午3:54:46
 *
 * @description object元数据
 **/
public class ObjectMetadata implements ServerSideEncryptionResult {

    private String usermeta_prefix = Constants.userMetaPrefix;
    /**
     * 用户自定义的元数据
     */
    private Map userMetadata = new HashMap();

    private Map metadata = new HashMap();
    /**
     * Http Expires,metadat中预留了一个bucket lifecycle的Expires，所以把它放在了外面
     */
    private Date httpExpiresDate;

    @Override
    public String toString() {
        return StringUtils.object2string(this);
    }

    public void setUserMeta(String key, String value) {
        this.userMetadata.put(key.startsWith(usermeta_prefix) ? key : (usermeta_prefix + key), value);
    }

    public String getUserMeta(String key) {
        return userMetadata.get(key.startsWith(usermeta_prefix) ? key : (usermeta_prefix + key));
    }

    public boolean containsUserMeta(String key) {
        return userMetadata.containsKey(key.startsWith(usermeta_prefix) ? key : (usermeta_prefix + key));
    }

    public Map getAllUserMeta() {
        return this.userMetadata;
    }

    public Map getRawMetadata() {
        return Collections.unmodifiableMap(new HashMap(metadata));
    }

    /**仅供内部使用
     * @param key
     * @param value
     */
    public void setHeader(String key, Object value) {
        metadata.put(key, value);
    }

    public Date getLastModified() {
        return (Date) metadata.get(HttpHeaders.LastModified.toString());
    }

    /**
     * 仅供内部使用
     * @param lastModified
     */
    public void setLastModified(Date lastModified) {
        metadata.put(HttpHeaders.LastModified.toString(), lastModified);
    }

    public long getContentLength() {
        Long contentLength = (Long) metadata.get(HttpHeaders.ContentLength.toString());

        if (contentLength == null) return 0;
        return contentLength;
    }

    /**分块下载时获取文件的总大小*/
    public long getInstanceLength() {
        // See Content-Range in
        // http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
        String contentRange = (String) metadata.get(HttpHeaders.ContentRange.toString());
        if (contentRange != null) {
            int pos = contentRange.lastIndexOf("/");
            if (pos >= 0)
                return Long.parseLong(contentRange.substring(pos + 1));
        }
        return getContentLength();
    }

    public void setContentLength(long contentLength) {
        metadata.put(HttpHeaders.ContentLength.toString(), contentLength);
    }

    public String getContentType() {
        return (String) metadata.get(HttpHeaders.ContentType.toString());
    }

    public void setContentType(String contentType) {
        metadata.put(HttpHeaders.ContentType.toString(), contentType);
    }

    public String getContentEncoding() {
        return (String) metadata.get(HttpHeaders.ContentEncoding.toString());
    }

    public void setContentEncoding(String encoding) {
        metadata.put(HttpHeaders.ContentEncoding.toString(), encoding);
    }

    public String getCacheControl() {
        return (String) metadata.get(HttpHeaders.CacheControl.toString());
    }

    public void setCacheControl(String cacheControl) {
        metadata.put(HttpHeaders.CacheControl.toString(), cacheControl);
    }

    public String getContentMD5() {
        return (String) metadata.get(HttpHeaders.ContentMD5.toString());
    }

    public void setContentMD5(String md5Base64) {
        if (md5Base64 == null) {
            metadata.remove(HttpHeaders.ContentMD5.toString());
        } else {
            metadata.put(HttpHeaders.ContentMD5.toString(), md5Base64);
        }

    }

    public String getContentDisposition() {
        return (String) metadata.get(HttpHeaders.ContentDisposition.toString());
    }

    public void setContentDisposition(String disposition) {
        metadata.put(HttpHeaders.ContentDisposition.toString(), disposition);
    }

    public String getETag() {
        return (String) metadata.get(HttpHeaders.ETag.toString());
    }

    public void setHttpExpiresDate(Date httpExpiresDate) {
        this.httpExpiresDate = httpExpiresDate;
    }

    public Date getHttpExpiresDate() {
        return httpExpiresDate;
    }

    public String getSseAlgorithm() {
        return (String) metadata.get(HttpHeaders.XKssServerSideEncryption.toString());
    }

    public void setSseAlgorithm(String value) {
        this.metadata.put(HttpHeaders.XKssServerSideEncryption.toString(), value);
    }

    public String getSseKMSKeyId() {
        return (String) metadata.get(HttpHeaders.XKssServerSideEncryptionKMSKeyId.toString());
    }

    public void setSseKMSKeyId(String value) {
        this.metadata.put(HttpHeaders.XKssServerSideEncryptionKMSKeyId.toString(), value);
    }

    public String getSseCustomerAlgorithm() {
        return (String) this.metadata.get(HttpHeaders.XKssServerSideEncryptionCustomerAlgorithm.toString());
    }

    /**
     * 仅供内部使用，设置加密请使用
{@link PutObjectRequest#setSseCustomerKey(SSECustomerKey key) }
{@link UploadPartRequest#setSseCustomerKey(SSECustomerKey key) }
     */
    public void setSseCustomerAlgorithm(String value) {
        this.metadata.put(HttpHeaders.XkssServerSideEncryptionCustomerKey.toString(), value);
    }

    public String getSseCustomerKeyMD5() {
        return (String) this.metadata.get(HttpHeaders.XkssServerSideEncryptionCustomerKeyMD5.toString());
    }

    /**
     * 仅供内部使用，设置加密请使用
{@link PutObjectRequest#setSseCustomerKey(SSECustomerKey key) }
{@link UploadPartRequest#setSseCustomerKey(SSECustomerKey key) }
     */
    public void setSseCustomerKeyMD5(String value) {
        this.metadata.put(HttpHeaders.XkssServerSideEncryptionCustomerKeyMD5.toString(), value);
    }

    public Object getMeta(String key) {
        return this.metadata.get(key);
    }

    public String getStorageClass() {
        final Object storageClass = metadata.get(HttpHeaders.StorageClass.toString());
        if (storageClass == null) {
            return null;
        }
        return storageClass.toString();
    }

    public String getObjectType() {
        return (String) this.metadata.get(HttpHeaders.XKssObjectType.toString());
    }

    public String getNextPosition() {
        return (String) this.metadata.get(HttpHeaders.XKssAppendNextPosition.toString());
    }
}