Examples with PropertiesInputStream org.apache.solr.util.PropertiesInputStream used on opensource projects

Example 1 with PropertiesInputStream

use of org.apache.solr.util.PropertiesInputStream in project lucene-solr by apache.

the class SolrCore method writeNewIndexProps.

/**
   * Write the index.properties file with the new index sub directory name
   * @param dir a data directory (containing an index.properties file)
   * @param tmpFileName the file name to write the new index.properties to
   * @param tmpIdxDirName new index directory name
   */
private static void writeNewIndexProps(Directory dir, String tmpFileName, String tmpIdxDirName) {
    if (tmpFileName == null) {
        tmpFileName = IndexFetcher.INDEX_PROPERTIES;
    }
    final Properties p = new Properties();
    // Read existing properties
    try {
        final IndexInput input = dir.openInput(IndexFetcher.INDEX_PROPERTIES, DirectoryFactory.IOCONTEXT_NO_CACHE);
        final InputStream is = new PropertiesInputStream(input);
        try {
            p.load(new InputStreamReader(is, StandardCharsets.UTF_8));
        } catch (Exception e) {
            log.error("Unable to load " + IndexFetcher.INDEX_PROPERTIES, e);
        } finally {
            IOUtils.closeQuietly(is);
        }
    } catch (IOException e) {
    // ignore; file does not exist
    }
    p.put("index", tmpIdxDirName);
    // Write new properties
    Writer os = null;
    try {
        IndexOutput out = dir.createOutput(tmpFileName, DirectoryFactory.IOCONTEXT_NO_CACHE);
        os = new OutputStreamWriter(new PropertiesOutputStream(out), StandardCharsets.UTF_8);
        p.store(os, IndexFetcher.INDEX_PROPERTIES);
        dir.sync(Collections.singleton(tmpFileName));
    } catch (Exception e) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Unable to write " + IndexFetcher.INDEX_PROPERTIES, e);
    } finally {
        IOUtils.closeQuietly(os);
    }
}

Example 2 with PropertiesInputStream

use of org.apache.solr.util.PropertiesInputStream in project lucene-solr by apache.

the class SolrCore method getNewIndexDir.

/**
   * Returns the indexdir as given in index.properties. If index.properties exists in dataDir and
   * there is a property <i>index</i> available and it points to a valid directory
   * in dataDir that is returned Else dataDir/index is returned. Only called for creating new indexSearchers
   * and indexwriters. Use the getIndexDir() method to know the active index directory
   *
   * @return the indexdir as given in index.properties
   */
public String getNewIndexDir() {
    String result = dataDir + "index/";
    Properties p = new Properties();
    Directory dir = null;
    try {
        dir = getDirectoryFactory().get(getDataDir(), DirContext.META_DATA, getSolrConfig().indexConfig.lockType);
        IndexInput input;
        try {
            input = dir.openInput(IndexFetcher.INDEX_PROPERTIES, IOContext.DEFAULT);
        } catch (FileNotFoundException | NoSuchFileException e) {
            input = null;
        }
        if (input != null) {
            final InputStream is = new PropertiesInputStream(input);
            try {
                p.load(new InputStreamReader(is, StandardCharsets.UTF_8));
                String s = p.getProperty("index");
                if (s != null && s.trim().length() > 0) {
                    result = dataDir + s;
                }
            } catch (Exception e) {
                log.error("Unable to load " + IndexFetcher.INDEX_PROPERTIES, e);
            } finally {
                IOUtils.closeQuietly(is);
            }
        }
    } catch (IOException e) {
        SolrException.log(log, "", e);
    } finally {
        if (dir != null) {
            try {
                getDirectoryFactory().release(dir);
            } catch (IOException e) {
                SolrException.log(log, "", e);
            }
        }
    }
    if (!result.equals(lastNewIndexDir)) {
        log.debug("New index directory detected: old=" + lastNewIndexDir + " new=" + result);
    }
    lastNewIndexDir = result;
    return result;
}

Example 3 with PropertiesInputStream

use of org.apache.solr.util.PropertiesInputStream in project lucene-solr by apache.

the class BackupManager method readBackupProperties.

/**
   * This method returns the configuration parameters for the specified backup.
   *
   * @param backupLoc The base path used to store the backup data.
   * @param backupId  The unique name for the backup whose configuration params are required.
   * @return the configuration parameters for the specified backup.
   * @throws IOException In case of errors.
   */
public Properties readBackupProperties(URI backupLoc, String backupId) throws IOException {
    Objects.requireNonNull(backupLoc);
    Objects.requireNonNull(backupId);
    // Backup location
    URI backupPath = repository.resolve(backupLoc, backupId);
    if (!repository.exists(backupPath)) {
        throw new SolrException(ErrorCode.SERVER_ERROR, "Couldn't restore since doesn't exist: " + backupPath);
    }
    Properties props = new Properties();
    try (Reader is = new InputStreamReader(new PropertiesInputStream(repository.openInput(backupPath, BACKUP_PROPS_FILE, IOContext.DEFAULT)), StandardCharsets.UTF_8)) {
        props.load(is);
        return props;
    }
}

Example 4 with PropertiesInputStream

use of org.apache.solr.util.PropertiesInputStream in project lucene-solr by apache.

the class ReplicationHandler method loadReplicationProperties.

Properties loadReplicationProperties() {
    Directory dir = null;
    try {
        try {
            dir = core.getDirectoryFactory().get(core.getDataDir(), DirContext.META_DATA, core.getSolrConfig().indexConfig.lockType);
            IndexInput input;
            try {
                input = dir.openInput(IndexFetcher.REPLICATION_PROPERTIES, IOContext.DEFAULT);
            } catch (FileNotFoundException | NoSuchFileException e) {
                return new Properties();
            }
            try {
                final InputStream is = new PropertiesInputStream(input);
                Properties props = new Properties();
                props.load(new InputStreamReader(is, StandardCharsets.UTF_8));
                return props;
            } finally {
                input.close();
            }
        } finally {
            if (dir != null) {
                core.getDirectoryFactory().release(dir);
            }
        }
    } catch (IOException e) {
        throw new SolrException(ErrorCode.SERVER_ERROR, e);
    }
}