/*
* Copyright (c) 2006, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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 org.wso2.carbon.registry.cmis.util;
import org.apache.chemistry.opencmis.commons.PropertyIds;
import org.apache.chemistry.opencmis.commons.data.Properties;
import org.apache.chemistry.opencmis.commons.data.PropertyData;
import org.apache.chemistry.opencmis.commons.data.PropertyId;
import org.apache.chemistry.opencmis.commons.data.PropertyString;
import org.apache.chemistry.opencmis.commons.definitions.PropertyDefinition;
import org.apache.chemistry.opencmis.commons.exceptions.CmisInvalidArgumentException;
import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.*;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.GregorianCalendar;
import java.util.List;
/**
* Helper class with utility functions for handling {@link org.apache.chemistry.opencmis.commons.data.Properties}.
*/
public final class PropertyHelper {
private PropertyHelper() {
}
/**
* Retrieve a string value.
*
* @param properties
* @param name the name of the value to retrieve
* @return the first value of the given <code>name</code> or <code>null</code> if either
* these are no string properties or no property of <code>name</code> exists.
*/
public static String getStringProperty(Properties properties, String name) {
PropertyData<?> property = properties.getProperties().get(name);
if (!(property instanceof PropertyString)) {
return null;
}
return ((PropertyString) property).getFirstValue();
}
/**
* Gets the type id from a set of properties.
*/
public static String getTypeId(Properties properties) {
PropertyData<?> typeProperty = properties.getProperties().get(PropertyIds.OBJECT_TYPE_ID);
if (!(typeProperty instanceof PropertyId)) {
throw new CmisInvalidArgumentException("Type id must be set!");
}
String typeId = ((PropertyId) typeProperty).getFirstValue();
if (typeId == null) {
throw new CmisInvalidArgumentException("Type id must be set!");
}
return typeId;
}
/**
* @param prop
* @return <code>true</code> iff <code>prop</code> denotes an empty property data value
*/
public static boolean isPropertyEmpty(PropertyData<?> prop) {
return prop == null || prop.getValues() == null || prop.getValues().isEmpty();
}
/**
* Determine the default property data value for a given property definition.
* @param propDef
* @return
* @throws org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException if <code>propDef</code> is invalid or unknown.
*/
@SuppressWarnings("unchecked")
public static PropertyData<?> getDefaultValue(PropertyDefinition<?> propDef) {
if (propDef == null) {
return null;
}
List<?> defaultValue = propDef.getDefaultValue();
if (defaultValue != null && !defaultValue.isEmpty()) {
switch (propDef.getPropertyType()) {
case BOOLEAN:
return new PropertyBooleanImpl(propDef.getId(), (List<Boolean>) defaultValue);
case DATETIME:
return new PropertyDateTimeImpl(propDef.getId(), (List<GregorianCalendar>) defaultValue);
case DECIMAL:
return new PropertyDecimalImpl(propDef.getId(), (List<BigDecimal>) defaultValue);
case HTML:
return new PropertyHtmlImpl(propDef.getId(), (List<String>) defaultValue);
case ID:
return new PropertyIdImpl(propDef.getId(), (List<String>) defaultValue);
case INTEGER:
return new PropertyIntegerImpl(propDef.getId(), (List<BigInteger>) defaultValue);
case STRING:
return new PropertyStringImpl(propDef.getId(), (List<String>) defaultValue);
case URI:
return new PropertyUriImpl(propDef.getId(), (List<String>) defaultValue);
default:
throw new CmisRuntimeException("Unknown datatype: " + propDef.getPropertyType());
}
}
return null;
}
}