/**
* 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.cxf.jaxrs.provider;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.lang.annotation.Annotation;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cxf.helpers.IOUtils;
import org.apache.cxf.jaxrs.ext.multipart.InputStreamDataSource;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.junit.Assert;
import org.junit.Test;
public class DataSourceProviderTest extends Assert {
@Test
public void testReadDataHandler() throws Exception {
DataSourceProvider<DataHandler> p = new DataSourceProvider<DataHandler>();
DataHandler ds = (DataHandler)p.readFrom(DataHandler.class, null, new Annotation[]{},
MediaType.valueOf("image/png"), new MetadataMap<String, String>(),
new ByteArrayInputStream("image".getBytes()));
assertEquals("image", IOUtils.readStringFromStream(ds.getDataSource().getInputStream()));
}
@Test
public void testWriteDataHandler() throws Exception {
DataSourceProvider<DataHandler> p = new DataSourceProvider<DataHandler>();
DataHandler ds = new DataHandler(new InputStreamDataSource(
new ByteArrayInputStream("image".getBytes()),
"image/png"));
ByteArrayOutputStream os = new ByteArrayOutputStream();
p.writeTo(ds, DataHandler.class, DataHandler.class, new Annotation[]{},
MediaType.valueOf("image/png"), new MetadataMap<String, Object>(), os);
assertEquals("image", os.toString());
}
@Test
public void testReadDataSource() throws Exception {
DataSourceProvider<DataSource> p = new DataSourceProvider<DataSource>();
DataSource ds = (DataSource)p.readFrom(DataSource.class, null, new Annotation[]{},
MediaType.valueOf("image/png"), new MetadataMap<String, String>(),
new ByteArrayInputStream("image".getBytes()));
assertEquals("image", IOUtils.readStringFromStream(ds.getInputStream()));
}
@Test
public void testWriteDataSource() throws Exception {
DataSourceProvider<DataSource> p = new DataSourceProvider<DataSource>();
DataSource ds = new InputStreamDataSource(new ByteArrayInputStream("image".getBytes()),
"image/png");
ByteArrayOutputStream os = new ByteArrayOutputStream();
MultivaluedMap<String, Object> outHeaders = new MetadataMap<String, Object>();
p.writeTo(ds, DataSource.class, DataSource.class, new Annotation[]{},
MediaType.valueOf("image/png"), outHeaders, os);
assertEquals("image", os.toString());
assertEquals(0, outHeaders.size());
}
@Test
public void testWriteDataSourceWithDiffCT() throws Exception {
DataSourceProvider<DataSource> p = new DataSourceProvider<DataSource>();
DataSource ds = new InputStreamDataSource(new ByteArrayInputStream("image".getBytes()),
"image/png");
ByteArrayOutputStream os = new ByteArrayOutputStream();
MultivaluedMap<String, Object> outHeaders = new MetadataMap<String, Object>();
p.writeTo(ds, DataSource.class, DataSource.class, new Annotation[]{},
MediaType.valueOf("image/bar"), outHeaders, os);
assertEquals("image", os.toString());
assertEquals("image/png", outHeaders.getFirst("Content-Type"));
}
}