/*
* 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.io;
import java.util.Date;
import org.jclouds.io.payloads.BaseImmutableContentMetadata;
import org.jclouds.javax.annotation.Nullable;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import com.google.common.hash.HashCode;
public class ContentMetadataBuilder {
public static ContentMetadataBuilder create() {
return new ContentMetadataBuilder();
}
protected String contentType = "application/unknown";
protected Long contentLength;
protected HashCode contentMD5;
protected String contentDisposition;
protected String contentLanguage;
protected String contentEncoding;
protected Date expires;
public ContentMetadataBuilder contentLength(@Nullable Long contentLength) {
this.contentLength = contentLength;
return this;
}
/** @deprecated use {@link #contentMD5(HashCode)} instead. */
@Deprecated
public ContentMetadataBuilder contentMD5(@Nullable byte[] contentMD5) {
return contentMD5(contentMD5 == null ? null : HashCode.fromBytes(contentMD5));
}
public ContentMetadataBuilder contentMD5(@Nullable HashCode contentMD5) {
if (contentMD5 != null) {
Preconditions.checkArgument(contentMD5.bits() == 128, "MD5 hash must have 128 bits, was: %s", contentMD5.bits());
this.contentMD5 = contentMD5;
}
return this;
}
public ContentMetadataBuilder contentType(@Nullable String contentType) {
this.contentType = contentType;
return this;
}
public ContentMetadataBuilder contentDisposition(@Nullable String contentDisposition) {
this.contentDisposition = contentDisposition;
return this;
}
public ContentMetadataBuilder contentLanguage(@Nullable String contentLanguage) {
this.contentLanguage = contentLanguage;
return this;
}
public ContentMetadataBuilder contentEncoding(@Nullable String contentEncoding) {
this.contentEncoding = contentEncoding;
return this;
}
public ContentMetadataBuilder expires(@Nullable Date expires) {
this.expires = expires;
return this;
}
public ContentMetadata build() {
return new BaseImmutableContentMetadata(contentType, contentLength,
contentMD5 == null ? null : contentMD5.asBytes(), contentDisposition,
contentLanguage, contentEncoding, expires);
}
public static ContentMetadataBuilder fromContentMetadata(ContentMetadata in) {
return new ContentMetadataBuilder().contentType(in.getContentType()).contentLength(in.getContentLength())
.contentMD5(in.getContentMD5()).contentDisposition(in.getContentDisposition()).contentLanguage(
in.getContentLanguage()).contentEncoding(in.getContentEncoding()).expires(in.getExpires());
}
@Override
public int hashCode() {
return Objects.hashCode(contentDisposition, contentEncoding, contentLanguage, contentLength,
contentMD5, contentType, expires);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ContentMetadataBuilder other = (ContentMetadataBuilder) obj;
return Objects.equal(contentDisposition, other.contentDisposition) &&
Objects.equal(contentEncoding, other.contentEncoding) &&
Objects.equal(contentLanguage, other.contentLanguage) &&
Objects.equal(contentLength, other.contentLength) &&
Objects.equal(contentMD5, other.contentMD5) &&
Objects.equal(contentType, other.contentType) &&
Objects.equal(expires, other.expires);
}
@Override
public String toString() {
return "[contentDisposition=" + contentDisposition + ", contentEncoding=" + contentEncoding
+ ", contentLanguage=" + contentLanguage + ", contentLength=" + contentLength + ", contentMD5="
+ contentMD5 + ", contentType=" + contentType + ", expires=" + expires + "]";
}
}