| /* |
| * Copyright 2000-2010 JetBrains s.r.o. |
| * |
| * 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.lang.ant.dom; |
| |
| import com.intellij.psi.PsiElement; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Iterator; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: Apr 21, 2010 |
| */ |
| public interface PropertiesProvider { |
| |
| // if provider implements this interface, returned property values will be treated |
| // as not requiring further resolution of any property occurrences |
| interface SkipPropertyExpansionInValues {} |
| |
| @NotNull |
| Iterator<String> getNamesIterator(); |
| |
| /** |
| * @param propertyName |
| * @return property value string as defined in xml or null if this provider does not define a property with such name |
| */ |
| @Nullable |
| String getPropertyValue(String propertyName); |
| |
| /** |
| * Needed for referencing purposes. |
| * Returned element will be used as a target element for the property reference. |
| * @param propertyName |
| */ |
| @Nullable |
| PsiElement getNavigationElement(String propertyName); |
| } |