org.apache.axiom.om.ds.custombuilder.BlobOMDataSourceCustomBuilder Maven / Gradle / Ivy
/*
* 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.apache.axiom.om.ds.custombuilder;
import java.io.IOException;
import java.io.OutputStream;
import javax.xml.stream.XMLStreamException;
import org.apache.axiom.blob.WritableBlob;
import org.apache.axiom.blob.WritableBlobFactory;
import org.apache.axiom.om.OMDataSource;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.ds.BlobOMDataSource;
/**
* {@link CustomBuilder} implementation that creates a {@link BlobOMDataSource}.
*/
public final class BlobOMDataSourceCustomBuilder implements CustomBuilder {
private final WritableBlobFactory blobFactory;
private final String encoding;
/**
* Constructor.
*
* @param blobFactory
* determines the type of blobs to create
* @param encoding
* the encoding used to store data in the blobs
*/
public BlobOMDataSourceCustomBuilder(WritableBlobFactory blobFactory, String encoding) {
this.blobFactory = blobFactory;
this.encoding = encoding;
}
@Override
public OMDataSource create(OMElement element) throws OMException {
try {
WritableBlob blob = blobFactory.createBlob();
OutputStream out = blob.getOutputStream();
try {
element.serializeAndConsume(out);
} finally {
out.close();
}
return new BlobOMDataSource(blob, encoding);
} catch (XMLStreamException ex) {
throw new OMException(ex);
} catch (IOException ex) {
throw new OMException(ex);
}
}
}