/*
* Copyright 2000-2007 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.xml;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.extensions.Extensions;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author Dmitry Avdeev
*/
public abstract class XmlSchemaProvider {
public final static ExtensionPointName<XmlSchemaProvider> EP_NAME = new ExtensionPointName<XmlSchemaProvider>("com.intellij.xml.schemaProvider");
@Nullable
public static XmlFile findSchema(@NotNull @NonNls String url, @Nullable Module module, @NotNull PsiFile file) {
for (XmlSchemaProvider provider: Extensions.getExtensions(EP_NAME)) {
final XmlFile schema = provider.getSchema(url, module, file);
if (schema != null) {
return schema;
}
}
return null;
}
@Nullable
public static XmlFile findSchema(@NotNull @NonNls String url, @NotNull PsiFile baseFile) {
VirtualFile file = baseFile.getVirtualFile();
if (file == null) {
final PsiFile originalFile = baseFile.getOriginalFile();
if (originalFile != null)
file = originalFile.getVirtualFile();
}
final Module module = file != null ? ProjectRootManager.getInstance(baseFile.getProject()).getFileIndex().getModuleForFile(file) : null;
return findSchema(url, module, baseFile);
}
@Nullable
public abstract XmlFile getSchema(@NotNull @NonNls String url, @Nullable Module module, @NotNull final PsiFile baseFile);
}