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Diffstat (limited to 'subsonic-main/src/main/java/net/sourceforge/subsonic/service/VersionService.java')
-rw-r--r--subsonic-main/src/main/java/net/sourceforge/subsonic/service/VersionService.java267
1 files changed, 0 insertions, 267 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/VersionService.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/service/VersionService.java
deleted file mode 100644
index e24e6409..00000000
--- a/subsonic-main/src/main/java/net/sourceforge/subsonic/service/VersionService.java
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- This file is part of Subsonic.
-
- Subsonic is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- Subsonic is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
-
- Copyright 2009 (C) Sindre Mehus
- */
-package net.sourceforge.subsonic.service;
-
-import net.sourceforge.subsonic.Logger;
-import net.sourceforge.subsonic.domain.Version;
-import org.apache.commons.io.IOUtils;
-import org.apache.http.client.HttpClient;
-import org.apache.http.client.ResponseHandler;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.impl.client.BasicResponseHandler;
-import org.apache.http.impl.client.DefaultHttpClient;
-import org.apache.http.params.HttpConnectionParams;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.StringReader;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-/**
- * Provides version-related services, including functionality for determining whether a newer
- * version of Subsonic is available.
- *
- * @author Sindre Mehus
- */
-public class VersionService {
-
- private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyyMMdd");
- private static final Logger LOG = Logger.getLogger(VersionService.class);
-
- private Version localVersion;
- private Version latestFinalVersion;
- private Version latestBetaVersion;
- private Date localBuildDate;
- private String localBuildNumber;
-
- /**
- * Time when latest version was fetched (in milliseconds).
- */
- private long lastVersionFetched;
-
- /**
- * Only fetch last version this often (in milliseconds.).
- */
- private static final long LAST_VERSION_FETCH_INTERVAL = 7L * 24L * 3600L * 1000L; // One week
-
- /**
- * URL from which to fetch latest versions.
- */
- private static final String VERSION_URL = "http://subsonic.org/backend/version.view";
-
- /**
- * Returns the version number for the locally installed Subsonic version.
- *
- * @return The version number for the locally installed Subsonic version.
- */
- public synchronized Version getLocalVersion() {
- if (localVersion == null) {
- try {
- localVersion = new Version(readLineFromResource("/version.txt"));
- LOG.info("Resolved local Subsonic version to: " + localVersion);
- } catch (Exception x) {
- LOG.warn("Failed to resolve local Subsonic version.", x);
- }
- }
- return localVersion;
- }
-
- /**
- * Returns the version number for the latest available Subsonic final version.
- *
- * @return The version number for the latest available Subsonic final version, or <code>null</code>
- * if the version number can't be resolved.
- */
- public synchronized Version getLatestFinalVersion() {
- refreshLatestVersion();
- return latestFinalVersion;
- }
-
- /**
- * Returns the version number for the latest available Subsonic beta version.
- *
- * @return The version number for the latest available Subsonic beta version, or <code>null</code>
- * if the version number can't be resolved.
- */
- public synchronized Version getLatestBetaVersion() {
- refreshLatestVersion();
- return latestBetaVersion;
- }
-
- /**
- * Returns the build date for the locally installed Subsonic version.
- *
- * @return The build date for the locally installed Subsonic version, or <code>null</code>
- * if the build date can't be resolved.
- */
- public synchronized Date getLocalBuildDate() {
- if (localBuildDate == null) {
- try {
- String date = readLineFromResource("/build_date.txt");
- localBuildDate = DATE_FORMAT.parse(date);
- } catch (Exception x) {
- LOG.warn("Failed to resolve local Subsonic build date.", x);
- }
- }
- return localBuildDate;
- }
-
- /**
- * Returns the build number for the locally installed Subsonic version.
- *
- * @return The build number for the locally installed Subsonic version, or <code>null</code>
- * if the build number can't be resolved.
- */
- public synchronized String getLocalBuildNumber() {
- if (localBuildNumber == null) {
- try {
- localBuildNumber = readLineFromResource("/build_number.txt");
- } catch (Exception x) {
- LOG.warn("Failed to resolve local Subsonic build number.", x);
- }
- }
- return localBuildNumber;
- }
-
- /**
- * Returns whether a new final version of Subsonic is available.
- *
- * @return Whether a new final version of Subsonic is available.
- */
- public boolean isNewFinalVersionAvailable() {
- Version latest = getLatestFinalVersion();
- Version local = getLocalVersion();
-
- if (latest == null || local == null) {
- return false;
- }
-
- return local.compareTo(latest) < 0;
- }
-
- /**
- * Returns whether a new beta version of Subsonic is available.
- *
- * @return Whether a new beta version of Subsonic is available.
- */
- public boolean isNewBetaVersionAvailable() {
- Version latest = getLatestBetaVersion();
- Version local = getLocalVersion();
-
- if (latest == null || local == null) {
- return false;
- }
-
- return local.compareTo(latest) < 0;
- }
-
- /**
- * Reads the first line from the resource with the given name.
- *
- * @param resourceName The resource name.
- * @return The first line of the resource.
- */
- private String readLineFromResource(String resourceName) {
- InputStream in = VersionService.class.getResourceAsStream(resourceName);
- if (in == null) {
- return null;
- }
- BufferedReader reader = null;
- try {
-
- reader = new BufferedReader(new InputStreamReader(in));
- return reader.readLine();
-
- } catch (IOException x) {
- return null;
- } finally {
- IOUtils.closeQuietly(reader);
- IOUtils.closeQuietly(in);
- }
- }
-
- /**
- * Refreshes the latest final and beta versions.
- */
- private void refreshLatestVersion() {
- long now = System.currentTimeMillis();
- boolean isOutdated = now - lastVersionFetched > LAST_VERSION_FETCH_INTERVAL;
-
- if (isOutdated) {
- try {
- lastVersionFetched = now;
- readLatestVersion();
- } catch (Exception x) {
- LOG.warn("Failed to resolve latest Subsonic version.", x);
- }
- }
- }
-
- /**
- * Resolves the latest available Subsonic version by screen-scraping a web page.
- *
- * @throws IOException If an I/O error occurs.
- */
- private void readLatestVersion() throws IOException {
-
- HttpClient client = new DefaultHttpClient();
- HttpConnectionParams.setConnectionTimeout(client.getParams(), 10000);
- HttpConnectionParams.setSoTimeout(client.getParams(), 10000);
- HttpGet method = new HttpGet(VERSION_URL + "?v=" + getLocalVersion());
- String content;
- try {
-
- ResponseHandler<String> responseHandler = new BasicResponseHandler();
- content = client.execute(method, responseHandler);
-
- } finally {
- client.getConnectionManager().shutdown();
- }
-
- BufferedReader reader = new BufferedReader(new StringReader(content));
- Pattern finalPattern = Pattern.compile("SUBSONIC_FULL_VERSION_BEGIN(.*)SUBSONIC_FULL_VERSION_END");
- Pattern betaPattern = Pattern.compile("SUBSONIC_BETA_VERSION_BEGIN(.*)SUBSONIC_BETA_VERSION_END");
-
- try {
- String line = reader.readLine();
- while (line != null) {
- Matcher finalMatcher = finalPattern.matcher(line);
- if (finalMatcher.find()) {
- latestFinalVersion = new Version(finalMatcher.group(1));
- LOG.info("Resolved latest Subsonic final version to: " + latestFinalVersion);
- }
- Matcher betaMatcher = betaPattern.matcher(line);
- if (betaMatcher.find()) {
- latestBetaVersion = new Version(betaMatcher.group(1));
- LOG.info("Resolved latest Subsonic beta version to: " + latestBetaVersion);
- }
- line = reader.readLine();
- }
-
- } finally {
- reader.close();
- }
- }
-} \ No newline at end of file
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