/* | |
* 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.extensions.validator.util; | |
import org.apache.myfaces.extensions.validator.ExtValInformation; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import org.apache.myfaces.extensions.validator.internal.UsageCategory; | |
import javax.faces.context.FacesContext; | |
/** | |
* @author Gerhard Petracek | |
* @since 1.x.1 | |
*/ | |
@UsageInformation(UsageCategory.INTERNAL) | |
public class WebXmlUtils | |
{ | |
/** | |
* Gets the initialization parameter from WEB.XML using the default prefix and removal of the spaces. | |
* | |
* @param key the key name of the parameter | |
* | |
* @return the value of the initialization parameter, if specified. | |
*/ | |
public static String getInitParameter(String key) | |
{ | |
return getInitParameter(ExtValInformation.WEBXML_PARAM_PREFIX, key, false); | |
} | |
/** | |
* Gets the initialization parameter from WEB.XML using the specified prefix and removal of the spaces. | |
* | |
* @param prefix the prefix of the parameter | |
* @param name the name | |
* | |
* @return the value of the initialization parameter, if specified. | |
*/ | |
public static String getInitParameter(String prefix, String name) | |
{ | |
return getInitParameter(prefix, name, false); | |
} | |
/** | |
* Gets the initialization parameter from WEB.XML using the default prefix and removal of spaces can be specified. | |
* | |
* @param key the key name of the parameter | |
* @param preserveBlanks should blanks be kept? | |
* | |
* @return the value of the initialization parameter, if specified. | |
*/ | |
public static String getInitParameter(String key, boolean preserveBlanks) | |
{ | |
return getInitParameter(ExtValInformation.WEBXML_PARAM_PREFIX, key, preserveBlanks); | |
} | |
/** | |
* Gets the initialization parameter from WEB.XML using the specified prefix and removal of spaces can be specified. | |
* | |
* @param prefix the prefix of the parameter | |
* @param key the key name of the parameter | |
* @param preserveBlanks indicates if blanks should be kept | |
* | |
* @return the value of the initialization parameter, if specified. | |
*/ | |
public static String getInitParameter(String prefix, String key, boolean preserveBlanks) | |
{ | |
String parameterName = key; | |
if(prefix != null) | |
{ | |
parameterName = prefix + "." + key; | |
} | |
String value = FacesContext.getCurrentInstance().getExternalContext().getInitParameter(parameterName); | |
if (preserveBlanks) | |
{ | |
return value; | |
} | |
else | |
{ | |
return (value != null) ? value.replace(" ", "").trim() : null; | |
} | |
} | |
} |