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/*
* The MIT License
* Copyright (c) 2012 Microsoft Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package microsoft.exchange.webservices.data.misc;
import microsoft.exchange.webservices.data.core.EwsUtilities;
import microsoft.exchange.webservices.data.core.ILazyMember;
import microsoft.exchange.webservices.data.core.LazyMember;
import microsoft.exchange.webservices.data.core.exception.misc.ArgumentException;
import microsoft.exchange.webservices.data.core.exception.misc.ArgumentNullException;
import microsoft.exchange.webservices.data.core.exception.misc.FormatException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlDeserializationException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
/**
* Represents an entry in the MapiTypeConverter map.
*/
public class MapiTypeConverterMapEntry {
private static final Log LOG = LogFactory.getLog(MapiTypeConverterMapEntry.class);
/**
* Map CLR types used for MAPI property to matching default values.
*/
private static LazyMember, Object>> defaultValueMap = new LazyMember, Object>>(
new ILazyMember, Object>>() {
public Map, Object> createInstance() {
Map, Object> map = new HashMap, Object>();
map.put(Boolean.class, false);
map.put(Byte[].class, null);
map.put(Short.class, new Short((short) 0));
map.put(Integer.class, 0);
map.put(Long.class, new Long(0L));
map.put(Float.class, new Float(0.0));
map.put(Double.class, new Double(0.0D));
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try {
map.put(Date.class, formatter.parse("0001-01-01 12:00:00"));
} catch (ParseException e) {
LOG.error(e);
}
map.put(UUID.class, UUID.fromString("00000000-0000-0000-0000-000000000000"));
map.put(String.class, null);
return map;
}
});
/**
* The is array.
*/
boolean isArray;
/**
* The type.
*/
Class type;
/**
* The convert to string.
*/
IFunction convertToString;
/**
* The parse.
*/
IFunction parse;
/**
* Initializes a new instance of the MapiTypeConverterMapEntry class.
*
* @param type The type. y default, converting a type to string is done by
* calling value.ToString. Instances can override this behavior.
*
* By default, converting a string to the appropriate value type
* is done by calling Convert.ChangeType Instances may override
* this behavior.
*/
public MapiTypeConverterMapEntry(Class type) {
EwsUtilities.ewsAssert(defaultValueMap.getMember().containsKey(type), "MapiTypeConverterMapEntry ctor",
"No default value entry for type " + type.getName());
this.type = type;
this.convertToString = IFunctions.ToString.INSTANCE;
this.parse = IFunctions.StringToObject.INSTANCE;
}
/**
* Change value to a value of compatible type.
*
* The type of a simple value should match exactly or be convertible to the
* appropriate type. An array value has to be a single dimension (rank),
* contain at least one value and contain elements that exactly match the
* expected type. (We could relax this last requirement so that, for
* example, you could pass an array of Int32 that could be converted to an
* array of Double but that seems like overkill).
*
* @param value The value.
* @return New value.
* @throws Exception the exception
*/
public Object changeType(Object value) throws Exception {
if (this.getIsArray()) {
this.validateValueAsArray(value);
return value;
} else if (value.getClass() == this.getType()) {
return value;
} else {
try {
if (this.getType().isInstance(Integer.valueOf(0))) {
Object o = null;
o = Integer.parseInt(value + "");
return o;
} else if (this.getType().isInstance(new Date())) {
DateFormat df = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss'Z'");
return df.parse(value + "");
} else if (this.getType().isInstance(Boolean.valueOf(false))) {
Object o = null;
o = Boolean.parseBoolean(value + "");
return o;
} else if (this.getType().isInstance(String.class)) {
return value;
}
return null;
} catch (ClassCastException ex) {
throw new ArgumentException(String.format(
"The value '%s' of type %s can't be converted to a value of type %s.", "%s", "%s"
, this.getType()), ex);
}
}
}
/**
* Converts a string to value consistent with type.
*
* For array types, this method is called for each array element.
*
* @param stringValue String to convert to a value.
* @return value
* @throws ServiceXmlDeserializationException the service xml deserialization exception
* @throws FormatException the format exception
*/
public Object convertToValue(String stringValue)
throws ServiceXmlDeserializationException, FormatException {
try {
return this.getParse().func(stringValue);
} catch (ClassCastException ex) {
throw new ServiceXmlDeserializationException(String
.format("The value '%s' couldn't be converted to type %s.", stringValue, this
.getType()), ex);
} catch (NumberFormatException ex) {
throw new ServiceXmlDeserializationException(String
.format("The value '%s' couldn't be converted to type %s.", stringValue, this.getType()), ex);
}
}
/**
* Converts a string to value consistent with type (or uses the default value if the string is null or empty).
*
* @param stringValue to convert to a value.
* @return Value.
* @throws FormatException
* @throws ServiceXmlDeserializationException
*/
public Object convertToValueOrDefault(final String stringValue)
throws ServiceXmlDeserializationException, FormatException {
return (StringUtils.isEmpty(stringValue))
? getDefaultValue() : convertToValue(stringValue);
}
/**
* Validates array value.
*
* @param value the value
* @throws ArgumentException the argument exception
* @throws ArgumentNullException the argument exception
*/
private void validateValueAsArray(Object value) throws ArgumentException, ArgumentNullException {
if (value == null) {
throw new ArgumentNullException("value");
}
if (value instanceof ArrayList) {
ArrayList arrayList = (ArrayList) value;
if (arrayList.isEmpty()) {
throw new ArgumentException("The Array value must have at least one element.");
}
if (arrayList.get(0).getClass() != this.getType()) {
throw new ArgumentException(String.format("Type %s can't be used as an array of type %s.", value.getClass(),
this.getType()));
}
}
}
/**
* Gets the dim. If `array' is an array object returns its dimensions;
* otherwise returns 0
*
* @param array the array
* @return the dim
*/
public static int getDim(Object array) {
int dim = 0;
Class cls = array.getClass();
while (cls.isArray()) {
dim++;
cls = cls.getComponentType();
}
return dim;
}
/**
* Gets the type.
*
* @return the type
*/
public Class getType() {
return this.type;
}
/**
* Sets the type.
*
* @param cls the new type
*/
public void setType(Class cls) {
type = cls;
}
/**
* Gets a value indicating whether this instance is array.
*
* @return the checks if is array
*/
public boolean getIsArray() {
return isArray;
}
/**
* Sets the checks if is array.
*
* @param value the new checks if is array
*/
protected void setIsArray(boolean value) {
isArray = value;
}
/**
* Gets the string to object converter. For array types, this method is
* called for each array element.
*
* @return the convert to string
*/
protected IFunction getConvertToString() {
return convertToString;
}
/**
* Sets the string to object converter.
*
* @param value the value
*/
protected void setConvertToString(IFunction value) {
convertToString = value;
}
/**
* Gets the string parser. For array types, this method is called for each
* array element.
*
* @return the parses the
*/
protected IFunction getParse() {
return parse;
}
/**
* Sets the string parser.
*
* @param value the value
*/
protected void setParse(IFunction value) {
parse = value;
}
/**
* Gets the default value for the type.
*
* @return Type
*/
protected Object getDefaultValue() {
return defaultValueMap.getMember().get(this.type);
}
}
