| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.jackrabbit.vault.sync.impl; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.io.Reader; |
| import java.io.Writer; |
| import java.util.LinkedHashMap; |
| import java.util.UUID; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.io.IOUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * {@code SyncConfig}... |
| */ |
| public class SyncConfig { |
| |
| |
| /** |
| * default logger |
| */ |
| private static final Logger log = LoggerFactory.getLogger(SyncConfig.class); |
| |
| private static final String LINE_ENDING = System.getProperty("line.separator"); |
| |
| private static final String DEFAULT_CONFIG = "default-config.properties"; |
| |
| public static final String PROP_SYNC_ONCE = "sync-once"; |
| |
| public static final String PROP_FILTER = "filter"; |
| |
| public static final String PROP_DISABLED = "disabled"; |
| |
| public static final String PROP_SYNC_LOG = "sync-log"; |
| |
| private final File file; |
| |
| private final LinkedHashMap<String, Line> lines = new LinkedHashMap<String, Line>(); |
| |
| private SyncMode syncOnce; |
| |
| private String syncLog; |
| |
| private Boolean disabled; |
| |
| public SyncConfig(File file) { |
| this.file = file; |
| } |
| |
| public File getFile() { |
| return file; |
| } |
| |
| public SyncMode getSyncOnce() { |
| return syncOnce; |
| } |
| |
| public void setSyncOnce(SyncMode syncOnce) { |
| this.syncOnce = syncOnce; |
| } |
| |
| public String getSyncLog() { |
| return syncLog; |
| } |
| |
| public void setSyncLog(String syncLog) { |
| this.syncLog = syncLog; |
| } |
| |
| public Boolean getDisabled() { |
| return disabled; |
| } |
| |
| public void setDisabled(Boolean disabled) { |
| this.disabled = disabled; |
| } |
| |
| public boolean isDisabled() { |
| return disabled == null ? false : disabled; |
| } |
| |
| public void load() throws IOException { |
| if (!file.isFile()) { |
| return; |
| } |
| Reader r = null; |
| try { |
| r = new InputStreamReader(FileUtils.openInputStream(file), "utf-8"); |
| load(r); |
| } finally { |
| IOUtils.closeQuietly(r); |
| } |
| } |
| private void load(Reader r) throws IOException { |
| BufferedReader br = new BufferedReader(r); |
| int lineNo=1; |
| lines.clear(); |
| String line; |
| while ((line = br.readLine()) != null) { |
| Line l = new Line(line, lineNo++); |
| lines.put(l.name, l); |
| } |
| |
| // update internals |
| String sm = getString(PROP_SYNC_ONCE, ""); |
| syncOnce = null; |
| if (sm.length() > 0) { |
| try { |
| syncOnce = SyncMode.valueOf(sm.toUpperCase()); |
| } catch (IllegalArgumentException e) { |
| log.warn("Unknown syncOnce value: " + e); |
| } |
| } |
| syncLog = getString(PROP_SYNC_LOG, null); |
| disabled = getBoolean(PROP_DISABLED, false); |
| } |
| |
| private String getString(String name, String defaultValue) { |
| Line l = lines.get(name); |
| if (l == null || l.value == null) { |
| return defaultValue; |
| } else { |
| return l.value; |
| } |
| } |
| |
| private boolean getBoolean(String name, boolean defaultValue) { |
| Line l = lines.get(name); |
| if (l == null || l.value == null) { |
| return defaultValue; |
| } else { |
| return l.value.equals("true"); |
| } |
| } |
| |
| private void setProperty(String name, String value) { |
| Line l = lines.get(name); |
| if (l != null) { |
| l.setValue(value); |
| } |
| } |
| |
| public void save() throws IOException { |
| setProperty(PROP_SYNC_ONCE, syncOnce == null ? "" : syncOnce.name().toLowerCase()); |
| setProperty(PROP_SYNC_LOG, syncLog); |
| setProperty(PROP_DISABLED, String.valueOf(disabled)); |
| |
| Writer w = null; |
| try { |
| w = new OutputStreamWriter(FileUtils.openOutputStream(file), "utf-8"); |
| for (Line l: lines.values()) { |
| w.write(l.getLine()); |
| w.write(LINE_ENDING); |
| } |
| } finally { |
| IOUtils.closeQuietly(w); |
| } |
| } |
| |
| public void init() throws IOException { |
| if (!file.exists()) { |
| // load default config |
| InputStream in = SyncConfig.class.getResourceAsStream(DEFAULT_CONFIG); |
| if (in == null) { |
| log.error("Unable to load default config."); |
| } else { |
| Reader r = null; |
| try { |
| r = new InputStreamReader(in, "utf-8"); |
| load(r); |
| } finally { |
| IOUtils.closeQuietly(r); |
| } |
| try { |
| save(); |
| } catch (IOException e) { |
| log.warn("Unable to save initial config: " + e.toString()); |
| } |
| } |
| } else { |
| load(); |
| } |
| } |
| |
| |
| private class Line { |
| |
| private final String name; |
| |
| private String line; |
| |
| private String value; |
| |
| private Line(String name, String value) { |
| this.name = name; |
| setValue(value); |
| } |
| |
| public void setValue(String value) { |
| this.value = value; |
| line = name + "=" + value; |
| } |
| |
| public String getLine() { |
| return line; |
| } |
| |
| private Line(String line, int lineNo) { |
| this.line = line; |
| |
| String trimmed = line.trim(); |
| if (trimmed.startsWith("#")) { |
| name = "comment-" + UUID.randomUUID(); |
| } else if (trimmed.length() == 0) { |
| name = "blank-" + UUID.randomUUID(); |
| } else { |
| int idx = trimmed.indexOf('='); |
| if (idx < 0) { |
| log.warn("Syntax error in {}, line {}: Name/Value pair expected.", file.getAbsolutePath(), lineNo); |
| name = "error-" + UUID.randomUUID(); |
| return; |
| } |
| name = trimmed.substring(0, idx).trim(); |
| value = trimmed.substring(idx + 1); |
| } |
| } |
| } |
| } |