From 06ae63123c94038b90153f4847de2c57c0193db8 Mon Sep 17 00:00:00 2001
From: Rafael Cavazin <rafaelcavazin@gmail.com>
Date: Sun, 27 Jan 2013 09:46:50 -0500
Subject: [PATCH] updating current development
---
src/com/gitblit/FileSettings.java | 62 ++++++++++++++++++++++++++++---
1 files changed, 56 insertions(+), 6 deletions(-)
diff --git a/src/com/gitblit/FileSettings.java b/src/com/gitblit/FileSettings.java
index 1e65422..3a42cad 100644
--- a/src/com/gitblit/FileSettings.java
+++ b/src/com/gitblit/FileSettings.java
@@ -18,10 +18,16 @@
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
+import java.util.Map;
import java.util.Properties;
+import com.gitblit.utils.FileUtils;
+
/**
- * Reads GitBlit settings file.
+ * Dynamically loads and reloads a properties file by keeping track of the last
+ * modification date.
+ *
+ * @author James Moger
*
*/
public class FileSettings extends IStoredSettings {
@@ -30,16 +36,22 @@
private final Properties properties = new Properties();
- private volatile long lastread;
+ private volatile long lastModified;
+
+ private volatile boolean forceReload;
public FileSettings(String file) {
super(FileSettings.class);
this.propertiesFile = new File(file);
}
+ /**
+ * Returns a properties object which contains the most recent contents of
+ * the properties file.
+ */
@Override
protected synchronized Properties read() {
- if (propertiesFile.exists() && (propertiesFile.lastModified() > lastread)) {
+ if (propertiesFile.exists() && (forceReload || (propertiesFile.lastModified() > lastModified))) {
FileInputStream is = null;
try {
Properties props = new Properties();
@@ -49,7 +61,8 @@
// load properties after we have successfully read file
properties.clear();
properties.putAll(props);
- lastread = propertiesFile.lastModified();
+ lastModified = propertiesFile.lastModified();
+ forceReload = false;
} catch (FileNotFoundException f) {
// IGNORE - won't happen because file.exists() check above
} catch (Throwable t) {
@@ -67,8 +80,45 @@
return properties;
}
- protected long lastRead() {
- return lastread;
+ /**
+ * Updates the specified settings in the settings file.
+ */
+ public synchronized boolean saveSettings(Map<String, String> settings) {
+ String content = FileUtils.readContent(propertiesFile, "\n");
+ for (Map.Entry<String, String> setting:settings.entrySet()) {
+ String regex = "(?m)^(" + regExEscape(setting.getKey()) + "\\s*+=\\s*+)"
+ + "(?:[^\r\n\\\\]++|\\\\(?:\r?\n|\r|.))*+$";
+ String oldContent = content;
+ content = content.replaceAll(regex, setting.getKey() + " = " + setting.getValue());
+ if (content.equals(oldContent)) {
+ // did not replace value because it does not exist in the file
+ // append new setting to content (issue-85)
+ content += "\n" + setting.getKey() + " = " + setting.getValue();
+ }
+ }
+ FileUtils.writeContent(propertiesFile, content);
+ // manually set the forceReload flag because not all JVMs support real
+ // millisecond resolution of lastModified. (issue-55)
+ forceReload = true;
+ return true;
+ }
+
+ private String regExEscape(String input) {
+ return input.replace(".", "\\.").replace("$", "\\$").replace("{", "\\{");
+ }
+
+ /**
+ * @return the last modification date of the properties file
+ */
+ protected long lastModified() {
+ return lastModified;
+ }
+
+ /**
+ * @return the state of the force reload flag
+ */
+ protected boolean forceReload() {
+ return forceReload;
}
@Override
--
Gitblit v1.9.1