com.intellij.ide.OpenFileXmlRpcHandler.java Source code

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/*
 * Copyright 2000-2012 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.ide;

import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.fileEditor.FileEditorProvider;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.fileEditor.ex.FileEditorProviderManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ProjectLocator;
import com.intellij.openapi.project.ProjectManager;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vcs.VcsRoot;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.Nullable;

import java.io.File;

/**
 * @author mike
 */
public class OpenFileXmlRpcHandler {
    private static final Logger LOG = Logger.getInstance(OpenFileXmlRpcHandler.class);

    // XML-RPC interface method - keep the signature intact
    @SuppressWarnings("UnusedDeclaration")
    public boolean open(String path) {
        LOG.debug("open(" + path + ")");
        return doOpen(path, -1, -1);
    }

    // XML-RPC interface method - keep the signature intact
    @SuppressWarnings("UnusedDeclaration")
    public boolean openAndNavigate(String path, int line, int column) {
        LOG.debug("openAndNavigate(" + path + ", " + line + ", " + column + ")");
        return doOpen(path, line, column);
    }

    private static boolean doOpen(final String path, final int line, final int column) {
        ApplicationManager.getApplication().invokeLater(new Runnable() {
            @Override
            public void run() {
                Pair<VirtualFile, Project> data = new File(path).isAbsolute() ? findByAbsolutePath(path)
                        : findByRelativePath(path);
                if (data == null)
                    return;

                FileEditorProvider[] providers = FileEditorProviderManager.getInstance().getProviders(data.second,
                        data.first);
                if (providers.length == 0)
                    return;

                OpenFileDescriptor descriptor = new OpenFileDescriptor(data.second, data.first, line, column);
                FileEditorManager.getInstance(data.second).openTextEditor(descriptor, true);
            }
        });
        return true;
    }

    @Nullable
    private static Pair<VirtualFile, Project> findByAbsolutePath(String path) {
        File file = new File(FileUtil.toSystemDependentName(path));
        if (file.exists()) {
            VirtualFile vFile = findVirtualFile(file);
            if (vFile != null) {
                Project project = ProjectLocator.getInstance().guessProjectForFile(vFile);
                if (project != null) {
                    return Pair.create(vFile, project);
                }
            }
        }

        return null;
    }

    @Nullable
    private static Pair<VirtualFile, Project> findByRelativePath(String path) {
        Project[] projects = ProjectManager.getInstance().getOpenProjects();
        String localPath = FileUtil.toSystemDependentName(path);

        for (Project project : projects) {
            File file = new File(project.getBasePath(), localPath);
            if (file.exists()) {
                VirtualFile vFile = findVirtualFile(file);
                return vFile != null ? Pair.create(vFile, project) : null;
            }
        }

        for (Project project : projects) {
            for (VcsRoot vcsRoot : ProjectLevelVcsManager.getInstance(project).getAllVcsRoots()) {
                VirtualFile root = vcsRoot.getPath();
                if (root != null) {
                    File file = new File(FileUtil.toSystemDependentName(root.getPath()), localPath);
                    if (file.exists()) {
                        VirtualFile vFile = findVirtualFile(file);
                        return vFile != null ? Pair.create(vFile, project) : null;
                    }
                }
            }
        }

        return null;
    }

    @Nullable
    private static VirtualFile findVirtualFile(final File file) {
        return ApplicationManager.getApplication().runWriteAction(new Computable<VirtualFile>() {
            @Override
            public VirtualFile compute() {
                return LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
            }
        });
    }
}