/*******************************************************************************
* Copyright 2013 SAP AG
*
* Licensed 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 com.sap.core.odata.core.ep.consumer;
import static org.junit.Assert.assertNotNull;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import com.sap.core.odata.api.edm.EdmEntitySet;
import com.sap.core.odata.api.edm.EdmException;
import com.sap.core.odata.api.ep.EntityProviderException;
import com.sap.core.odata.api.ep.EntityProviderReadProperties;
import com.sap.core.odata.api.ep.entry.ODataEntry;
import com.sap.core.odata.api.ep.feed.ODataFeed;
import com.sap.core.odata.api.exception.ODataException;
import com.sap.core.odata.testutil.fit.BaseTest;
import com.sap.core.odata.testutil.mock.MockFacade;
/**
* @author SAP AG
*/
public abstract class AbstractConsumerTest extends BaseTest {
protected static final EntityProviderReadProperties DEFAULT_PROPERTIES = EntityProviderReadProperties.init().mergeSemantic(false).build();
protected XMLStreamReader createReaderForTest(final String input) throws XMLStreamException {
return createReaderForTest(input, false);
}
protected XMLStreamReader createReaderForTest(final String input, final boolean namespaceAware) throws XMLStreamException {
XMLInputFactory factory = XMLInputFactory.newInstance();
factory.setProperty(XMLInputFactory.IS_VALIDATING, false);
factory.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, namespaceAware);
XMLStreamReader streamReader = factory.createXMLStreamReader(new StringReader(input));
return streamReader;
}
protected Map<String, Object> createTypeMappings(final String key, final Object value) {
Map<String, Object> typeMappings = new HashMap<String, Object>();
typeMappings.put(key, value);
return typeMappings;
}
protected InputStream getFileAsStream(final String filename) throws IOException {
InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream(filename);
if (in == null) {
throw new IOException("Requested file '" + filename + "' was not found.");
}
return in;
}
protected String readFile(final String filename) throws IOException {
InputStream in = getFileAsStream(filename);
byte[] tmp = new byte[8192];
int count = in.read(tmp);
StringBuilder b = new StringBuilder();
while (count >= 0) {
b.append(new String(tmp, 0, count));
count = in.read(tmp);
}
return b.toString();
}
/**
* Create a map with a 'String' to 'Class<?>' mapping based on given parameters.
* Therefore parameters MUST be a set of such pairs.
* As example an correct method call would be:
* <p>
* <code>
* createTypeMappings("someKey", Integer.class, "anotherKey", Long.class);
* </code>
* </p>
*
* @param firstKeyThenMappingClass
* @return
*/
protected Map<String, Object> createTypeMappings(final Object... firstKeyThenMappingClass) {
Map<String, Object> typeMappings = new HashMap<String, Object>();
if (firstKeyThenMappingClass.length % 2 != 0) {
throw new IllegalArgumentException("Got odd number of parameters. Please read javadoc.");
}
for (int i = 0; i < firstKeyThenMappingClass.length; i += 2) {
String key = (String) firstKeyThenMappingClass[i];
Class<?> mappingClass = (Class<?>) firstKeyThenMappingClass[i + 1];
typeMappings.put(key, mappingClass);
}
return typeMappings;
}
protected InputStream createContentAsStream(final String content) throws UnsupportedEncodingException {
return new ByteArrayInputStream(content.getBytes("UTF-8"));
}
/**
*
* @param content
* @param replaceWhitespaces if <code>true</code> all XML not necessary whitespaces between tags are
* @return
* @throws UnsupportedEncodingException
*/
protected InputStream createContentAsStream(final String content, final boolean replaceWhitespaces) throws UnsupportedEncodingException {
String contentForStream = content;
if (replaceWhitespaces) {
contentForStream = content.replaceAll(">\\s.<", "><");
}
return new ByteArrayInputStream(contentForStream.getBytes("UTF-8"));
}
protected ODataEntry prepareAndExecuteEntry(final String fileName, final String entitySetName, final EntityProviderReadProperties readProperties) throws IOException, EdmException, ODataException, UnsupportedEncodingException, EntityProviderException {
//prepare
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet(entitySetName);
String content = readFile(fileName);
assertNotNull(content);
InputStream contentBody = createContentAsStream(content);
// execute
JsonEntityConsumer xec = new JsonEntityConsumer();
ODataEntry result = xec.readEntry(entitySet, contentBody, readProperties);
assertNotNull(result);
return result;
}
protected ODataFeed prepareAndExecuteFeed(final String fileName, final String entitySetName, final EntityProviderReadProperties readProperties) throws IOException, EdmException, ODataException, UnsupportedEncodingException, EntityProviderException {
//prepare
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet(entitySetName);
String content = readFile(fileName);
assertNotNull(content);
InputStream contentBody = createContentAsStream(content);
// execute
JsonEntityConsumer xec = new JsonEntityConsumer();
ODataFeed result = xec.readFeed(entitySet, contentBody, readProperties);
assertNotNull(result);
return result;
}
}