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/**
*
* 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 test.sdo21.tests.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.List;
import test.sdo21.framework.TestHelper;
import commonj.sdo.DataObject;
import commonj.sdo.Property;
import commonj.sdo.Type;
import commonj.sdo.helper.HelperContext;
public class CTSUtil {
/**
* Convenience method for creating a unique name that can be used for a
* property or type.
*
* @return String containing a unique name
*/
public static DataObject createTypeDef(String uri, String name, boolean open,
HelperContext helperContext) {
DataObject typeDef = helperContext.getDataFactory().create("commonj.sdo",
"Type");
typeDef.set("uri", uri);
typeDef.set("name", name);
typeDef.set("open", Boolean.valueOf(open));
return typeDef;
}
public static DataObject createPropertyDef(DataObject typeDef, String propertyName,
Type type, boolean isMany, boolean isContainment) {
DataObject propertyDef = typeDef.createDataObject("property");
propertyDef.set("name", propertyName);
propertyDef.set("type", type);
propertyDef.set("many", isMany);
propertyDef.set("containment", isContainment);
return propertyDef;
}
public static DataObject createPropertyDef(DataObject typeDef, String propertyName,
String typeName, boolean isMany, boolean isContainment,
HelperContext helperContext) {
int pos = typeName.indexOf('#');
String uri = "";
String name;
if (pos > 0) {
uri = typeName.substring(0, pos);
name = typeName.substring(pos + 1);
} else {
name = typeName;
}
Type propertyType = helperContext.getTypeHelper().getType(uri, name);
return createPropertyDef(typeDef, propertyName, propertyType, isMany,
isContainment);
}
public static String createUniqueName() {
return "name-" + System.currentTimeMillis() + "-"
+ ((int) (1000 * Math.random()));
}
/**
* areEqualTypes is used to determine of two Types are equivalent even if
* not identically equal. The names of the Types are compared, as well as
* the Types of each of the Properties making up the Type.
*
* @param type1
* @param type2
* @return
*/
public static boolean areEqualTypes(Type type1, Type type2) {
List properties1, properties2;
Property property1, property2;
int size = 0, j = 0, k;
boolean found;
// Equivalent Types have the same name
if (!(type1.getName().equals(type2.getName())))
return false;
// Equivalent Types have the same number of Properties
properties1 = type1.getProperties();
properties2 = type2.getProperties();
size = properties1.size();
if (size != properties2.size())
return false;
// Equivalent Types have Properties of the same name and Type
for (int i = 0; i < size; i++) {
property1 = (Property)properties1.get(i);
k = 0;
found = false;
while (k < size && !found) {
// j is used to prevent the initial Properties in properties2
// from being checked every time
// j is particularly useful when the Types have Properties in
// the order
property2 = (Property)properties2.get((k + j) % size);
if (property1.getName().equals(property2.getName())) {
j++;
found = true;
// Should not use recursion here to compare the Types of the
// Properties, because
// it is possible that a Type may recursively contain
// itself.
if (!(property1.getType().getName().equals(property2.getType().getName())))
return false;
}
k++;
}
if (!found)
return false;
}
return true;
}
/**
* Uses the XMLHelper to serialize the input DataObject
*
* @param dataObject
* @param baos
* @param helperContexgt
* @throws IOException
*/
public static void serializeDataObjectXML(DataObject dataObject, ByteArrayOutputStream baos, HelperContext helperContext) throws IOException {
Type type = dataObject.getType();
helperContext.getXMLHelper().save(dataObject, type.getURI(), type.getName(), baos);
}
/**
* Uses the XMLHelper to deserialize the input XML file
*
* @param bais
* @param helperContext
* @return
* @throws IOException
* @throws ClassNotFoundException
*/
public static DataObject deserializeDataObjectXML(ByteArrayInputStream bais, HelperContext helperContext) throws IOException, ClassNotFoundException {
return helperContext.getXMLHelper().load(bais).getRootObject();
}
/**
* Uses Java serialization to serialize the input DataObject
*
* @param dataObject
* @param baos
* @param helperContext
* @throws IOException
*/
public static void serializeDataObjectJava(TestHelper testHelper, DataObject dataObject, ByteArrayOutputStream baos, HelperContext helperContext) throws IOException {
ObjectOutputStream out = testHelper.createObjectOutputStream(baos, helperContext);
out.writeObject(dataObject);
out.close();
}
/**
* Uses Java deserialization to deserialize the input XML file
*
* @param bais
* @param helperContext
* @return
* @throws IOException
* @throws ClassNotFoundException
*/
public static DataObject deserializeDataObjectJava(TestHelper testHelper, ByteArrayInputStream bais, HelperContext helperContext) throws IOException, ClassNotFoundException {
ObjectInputStream input = testHelper.createObjectInputStream(bais, helperContext);
DataObject dataObject = (DataObject)input.readObject();
input.close();
return dataObject;
}
}
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