/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.blobstore.domain.internal;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static org.jclouds.io.Payloads.newPayload;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.Map;
import org.jclouds.blobstore.domain.Blob;
import org.jclouds.blobstore.domain.BlobBuilder;
import org.jclouds.blobstore.domain.StorageType;
import org.jclouds.io.Payload;
import org.jclouds.io.Payloads;
import org.jclouds.io.payloads.PhantomPayload;
import com.google.common.collect.Maps;
/**
* @author Adrian Cole
*/
public class BlobBuilderImpl implements BlobBuilder {
private Payload payload;
private String name;
private Map<String, String> userMetadata = Maps.newLinkedHashMap();
private StorageType type = StorageType.BLOB;
@Override
public BlobBuilder name(String name) {
checkNotNull(name, "name");
checkArgument(!name.isEmpty(), "name");
this.name = name;
return this;
}
@Override
public BlobBuilder type(StorageType type) {
this.type = type;
return this;
}
@Override
public BlobBuilder userMetadata(Map<String, String> userMetadata) {
if (userMetadata != null)
this.userMetadata = Maps.newLinkedHashMap(userMetadata);
return this;
}
@Override
public PayloadBlobBuilder payload(Payload payload) {
this.payload = payload;
return new PayloadBlobBuilderImpl(this, payload);
}
/**
* {@inheritDoc}
*/
@Override
public PayloadBlobBuilder payload(InputStream data) {
return payload(newPayload(checkNotNull(data, "data")));
}
/**
* {@inheritDoc}
*/
@Override
public PayloadBlobBuilder payload(byte[] data) {
return payload(newPayload(checkNotNull(data, "data")));
}
/**
* {@inheritDoc}
*/
@Override
public PayloadBlobBuilder payload(String data) {
return payload(newPayload(checkNotNull(data, "data")));
}
/**
* {@inheritDoc}
*/
@Override
public PayloadBlobBuilder payload(File data) {
return payload(newPayload(checkNotNull(data, "data")));
}
@Override
public Blob build() {
Blob blob = new BlobImpl(new MutableBlobMetadataImpl());
checkState(name != null, "name");
blob.getMetadata().setName(name);
if (payload != null)
blob.setPayload(payload);
blob.getMetadata().setUserMetadata(userMetadata);
blob.getMetadata().setType(type);
return blob;
}
public static class PayloadBlobBuilderImpl implements PayloadBlobBuilder {
private final BlobBuilder builder;
private final Payload payload;
public PayloadBlobBuilderImpl(BlobBuilder builder, Payload payload) {
this.builder = checkNotNull(builder, "builder");
this.payload = checkNotNull(payload, "payload");
}
@Override
public BlobBuilder name(String name) {
return builder.name(name);
}
@Override
public BlobBuilder type(StorageType type) {
return builder.type(type);
}
@Override
public BlobBuilder userMetadata(Map<String, String> userMetadata) {
return builder.userMetadata(userMetadata);
}
@Override
public PayloadBlobBuilder payload(Payload payload) {
return builder.payload(payload);
}
@Override
public PayloadBlobBuilder calculateMD5() throws IOException {
return builder.payload(Payloads.calculateMD5(payload));
}
@Override
public PayloadBlobBuilder payload(InputStream payload) {
return builder.payload(payload);
}
@Override
public PayloadBlobBuilder payload(byte[] payload) {
return builder.payload(payload);
}
@Override
public PayloadBlobBuilder payload(String payload) {
return builder.payload(payload);
}
@Override
public PayloadBlobBuilder payload(File payload) {
return builder.payload(payload);
}
@Override
public Blob build() {
return builder.build();
}
@Override
public PayloadBlobBuilder contentLength(long contentLength) {
payload.getContentMetadata().setContentLength(contentLength);
return this;
}
@Override
public PayloadBlobBuilder contentMD5(byte[] md5) {
payload.getContentMetadata().setContentMD5(md5);
return this;
}
@Override
public PayloadBlobBuilder contentType(String contentType) {
payload.getContentMetadata().setContentType(contentType);
return this;
}
@Override
public PayloadBlobBuilder contentDisposition(String contentDisposition) {
payload.getContentMetadata().setContentDisposition(contentDisposition);
return this;
}
@Override
public PayloadBlobBuilder contentLanguage(String contentLanguage) {
payload.getContentMetadata().setContentLanguage(contentLanguage);
return this;
}
@Override
public PayloadBlobBuilder contentEncoding(String contentEncoding) {
payload.getContentMetadata().setContentEncoding(contentEncoding);
return this;
}
@Override
public PayloadBlobBuilder expires(Date expires) {
payload.getContentMetadata().setExpires(expires);
return this;
}
@Override
public PayloadBlobBuilder forSigning() {
return builder.forSigning();
}
}
@Override
public PayloadBlobBuilder forSigning() {
return payload(new PhantomPayload());
}
}