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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 org.apache.myfaces.trinidadinternal.validator;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFValidator;
import org.apache.myfaces.trinidad.util.IntegerUtils;
import org.apache.myfaces.trinidad.validator.ClientValidator;
import org.apache.myfaces.trinidadinternal.util.JsonUtils;
/**
* <p>Implementation for length of <code>java.lang.String</code> values.</p>
*
*/
@JSFValidator(
name="tr:validateLength",
bodyContent="empty",
id="org.apache.myfaces.trinidad.Length",
tagClass="org.apache.myfaces.trinidadinternal.taglib.validator.ValidateLengthTag")
public class LengthValidator extends org.apache.myfaces.trinidad.validator.LengthValidator
implements ClientValidator
{
public Collection<String> getClientImportNames()
{
return _IMPORT_NAMES;
}
public String getClientScript(
FacesContext context,
UIComponent component)
{
return null;
}
/**
* @todo Format these numbers properly.
*/
public String getClientValidation(
FacesContext context,
UIComponent component)
{
int max = getMaximum();
int min = getMinimum();
// If min is specified, and max is not, it implies that max is Integer.MAX_VALUE
if (min > 0 && max == 0)
{
max = Integer.MAX_VALUE;
}
// Only pass down the messages that are relevant to this
// validator instance, based on the min and max
String detailKey = null;
String hintKey = null;
String detail = null;
String hint = null;
if (min > 0)
{
if (max != Integer.MAX_VALUE)
{
detailKey = "range";
hintKey = "hintRange";
if (min == max)
{
detail = getMessageDetailExact();
hint = getHintExact();
}
else
{
detail = getMessageDetailNotInRange();
hint = getHintNotInRange();
}
}
else
{
detailKey = "min";
hintKey = "hintMin";
detail = getMessageDetailMinimum();
hint = getHintMinimum();
}
}
else
{
detailKey = "max";
hintKey = "hintMax";
detail = getMessageDetailMaximum();
hint = getHintMaximum();
}
Map<String, String> cMessages = null;
if ((detail != null) || (hint != null))
{
cMessages = new HashMap<String, String>();
if (detail != null)
cMessages.put(detailKey, detail);
if (hint != null)
cMessages.put(hintKey, hint);
}
return _getTrLengthValidator(context, component, max, min, cMessages);
}
public String getClientLibrarySource(
FacesContext context)
{
return null;
}
private static String _getTrLengthValidator(
FacesContext context,
UIComponent component,
int max,
int min,
Map<String, String> messages)
{
StringBuilder outBuffer = new StringBuilder();
outBuffer.append("new TrLengthValidator(");
if (max == Integer.MAX_VALUE)
outBuffer.append("null");
else
outBuffer.append(IntegerUtils.getString(max));
outBuffer.append(',');
outBuffer.append(IntegerUtils.getString(min));
if(messages == null)
{
outBuffer.append(')');
}
else
{
outBuffer.append(',');
try
{
JsonUtils.writeMap(outBuffer, messages, false);
}
catch (IOException e)
{
outBuffer.append("null");
}
outBuffer.append(')');
}
return outBuffer.toString();
}
private static final Collection<String> _IMPORT_NAMES = Collections.singletonList( "TrLengthValidator()" );
}