/*
* Copyright 2011 The authors
* 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 com.intellij.struts2.dom;
import com.intellij.psi.xml.XmlFile;
import com.intellij.struts2.dom.struts.model.StrutsManager;
import com.intellij.struts2.dom.struts.model.StrutsModel;
import com.intellij.struts2.dom.struts.strutspackage.StrutsPackage;
import com.intellij.util.xml.ConvertContext;
import com.intellij.util.xml.DomUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.regex.Pattern;
/**
* Utility methods for DOM-Converters.
*
* @author Yann Cébron
*/
public final class ConverterUtil {
// "{0}" through "{9}"
private static final Pattern WILDCARD_PATTERN = Pattern.compile("\\{\\d\\}");
private ConverterUtil() {
}
/**
* Gets the StrutsModel for the current context (=file).
*
* @param context Invoking context.
* @return <code>null</code> if no StrutsModel found by current file (e.g. not in any fileset).
*/
@Nullable
public static StrutsModel getStrutsModel(final ConvertContext context) {
final XmlFile xmlFile = context.getFile();
return StrutsManager.getInstance(xmlFile.getProject()).getModelByFile(xmlFile);
}
/**
* Gets the StrutsModel for the current context (=file) or combined model for current module.
*
* @param context Invoking context.
* @return <code>null</code> if no StrutsModel found in current file/module.
*/
@Nullable
public static StrutsModel getStrutsModelOrCombined(final ConvertContext context) {
final StrutsModel modelByFile = getStrutsModel(context);
if (modelByFile != null) {
return modelByFile;
}
return StrutsManager.getInstance(context.getFile().getProject()).getCombinedModel(context.getModule());
}
/**
* Returns the current (parent) {@code <package>} element.
*
* @param context Invoking context.
* @return Parent package.
*/
@NotNull
public static StrutsPackage getCurrentStrutsPackage(final ConvertContext context) {
final StrutsPackage strutsPackage = DomUtil.getParentOfType(context.getInvocationElement(),
StrutsPackage.class,
true);
assert strutsPackage != null : context.getInvocationElement();
return strutsPackage;
}
/**
* Returns whether the value contains a wildcard-reference.
*
* @param value Value to check for wildcard pattern.
* @return {@code true} if contains wildcard value.
*/
public static boolean hasWildcardReference(@Nullable final String value) {
return value != null && WILDCARD_PATTERN.matcher(value).find();
}
}