| /* |
| * Copyright 2000-2011 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.util.download.impl; |
| |
| import com.intellij.facet.frameworks.LibrariesDownloadAssistant; |
| import com.intellij.facet.frameworks.beans.Artifact; |
| import com.intellij.facet.frameworks.beans.ArtifactItem; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.application.ex.ApplicationManagerEx; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.download.DownloadableFileDescription; |
| import com.intellij.util.download.DownloadableFileSetDescription; |
| import com.intellij.util.download.DownloadableFileSetVersions; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| /** |
| * @author nik |
| */ |
| public abstract class FileSetVersionsFetcherBase<FS extends DownloadableFileSetDescription, F extends DownloadableFileDescription> implements DownloadableFileSetVersions<FS> { |
| private static final Comparator<DownloadableFileSetDescription> VERSIONS_COMPARATOR = new Comparator<DownloadableFileSetDescription>() { |
| @Override |
| public int compare(DownloadableFileSetDescription o1, DownloadableFileSetDescription o2) { |
| return -StringUtil.compareVersionNumbers(o1.getVersionString(), o2.getVersionString()); |
| } |
| }; |
| protected final String myGroupId; |
| private final URL[] myLocalUrls; |
| |
| public FileSetVersionsFetcherBase(@Nullable String groupId, @NotNull URL[] localUrls) { |
| myLocalUrls = localUrls; |
| myGroupId = groupId; |
| } |
| |
| @Override |
| public void fetchVersions(@NotNull final FileSetVersionsCallback<FS> callback) { |
| ApplicationManager.getApplication().executeOnPooledThread(new Runnable() { |
| @Override |
| public void run() { |
| callback.onSuccess(fetchVersions()); |
| } |
| }); |
| } |
| |
| @NotNull |
| @Override |
| public List<FS> fetchVersions() { |
| ApplicationManagerEx.getApplicationEx().assertTimeConsuming(); |
| final Artifact[] versions; |
| if (myGroupId != null) { |
| versions = LibrariesDownloadAssistant.getVersions(myGroupId, myLocalUrls); |
| } |
| else { |
| versions = LibrariesDownloadAssistant.getVersions(myLocalUrls); |
| } |
| final List<FS> result = new ArrayList<FS>(); |
| for (Artifact version : versions) { |
| final ArtifactItem[] items = version.getItems(); |
| final List<F> files = new ArrayList<F>(); |
| for (ArtifactItem item : items) { |
| String url = item.getUrl(); |
| final String prefix = version.getUrlPrefix(); |
| if (url == null) { |
| if (prefix != null) { |
| url = prefix + item.getName(); |
| } |
| } else { |
| url = prependPrefix(url, prefix); |
| } |
| assert url != null; |
| |
| files.add(createFileDescription(item, url, prefix)); |
| } |
| result.add(createVersion(version, files)); |
| } |
| Collections.sort(result, VERSIONS_COMPARATOR); |
| return result; |
| } |
| |
| @NotNull |
| protected static String prependPrefix(@NotNull String url, @Nullable String prefix) { |
| if (!url.startsWith("http://") && prefix != null) { |
| url = prefix + url; |
| } |
| return url; |
| } |
| |
| protected abstract F createFileDescription(ArtifactItem item, String url, @Nullable String prefix); |
| |
| protected abstract FS createVersion(Artifact version, List<F> files); |
| } |