org.apache.axiom.blob.AbstractWritableBlob 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.blob;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.axiom.ext.io.StreamCopyException;
import org.apache.axiom.util.io.IOUtils;
/**
* Partial implementation of the {@link WritableBlob} interface that implements
* {@link WritableBlob#readFrom(InputStream)} using {@link WritableBlob#getOutputStream()} and
* {@link WritableBlob#writeTo(OutputStream)} using {@link WritableBlob#getInputStream()}.
*/
public abstract class AbstractWritableBlob implements WritableBlob {
@Override
public long readFrom(InputStream in) throws StreamCopyException {
OutputStream out;
try {
out = getOutputStream();
} catch (IOException ex) {
throw new StreamCopyException(StreamCopyException.WRITE, ex);
}
try {
return IOUtils.copy(in, out, -1);
} finally {
try {
out.close();
} catch (IOException ex) {
throw new StreamCopyException(StreamCopyException.WRITE, ex);
}
}
}
@Override
public void writeTo(OutputStream out) throws StreamCopyException {
InputStream in;
try {
in = getInputStream();
} catch (IOException ex) {
throw new StreamCopyException(StreamCopyException.READ, ex);
}
try {
IOUtils.copy(in, out, -1);
} finally {
try {
in.close();
} catch (IOException ex) {
throw new StreamCopyException(StreamCopyException.READ, ex);
}
}
}
}