wildfire chat server source initial submit

2019-03-16 17:04:23 +08:00
parent e59217bd10
commit cab3ca0916
1466 changed files with 528862 additions and 15919 deletions
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2012-2017 The original author or authors
+ * ------------------------------------------------------
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Apache License v2.0 which accompanies this distribution.
+ *
+ * The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * The Apache License v2.0 is available at
+ * http://www.opensource.org/licenses/apache2.0.php
+ *
+ * You may elect to redistribute this code under either of these licenses.
+ */
+
+package io.moquette.server.config;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.Reader;
+import java.text.ParseException;
+import java.util.Properties;
+
+/**
+ * Mosquitto configuration parser.
+ *
+ * A line that at the very first has # is a comment Each line has key value format, where the
+ * separator used it the space.
+ */
+class ConfigurationParser {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ConfigurationParser.class);
+
+    private Properties m_properties = new Properties();
+
+    /**
+     * Parse the configuration from file.
+     */
+    void parse(File file) throws ParseException {
+        if (file == null) {
+            LOG.warn("parsing NULL file, so fallback on default configuration!");
+            return;
+        }
+        if (!file.exists()) {
+            LOG.warn(
+                    String.format(
+                            "parsing not existing file %s, so fallback on default configuration!",
+                            file.getAbsolutePath()));
+            return;
+        }
+        try {
+            FileReader reader = new FileReader(file);
+            parse(reader);
+        } catch (FileNotFoundException fex) {
+            LOG.warn(
+                    String.format(
+                            "parsing not existing file %s, so fallback on default configuration!",
+                            file.getAbsolutePath()),
+                    fex);
+            return;
+        }
+    }
+
+    /**
+     * Parse the configuration
+     *
+     * @throws ParseException
+     *             if the format is not compliant.
+     */
+    void parse(Reader reader) throws ParseException {
+        if (reader == null) {
+            // just log and return default properties
+            LOG.warn("parsing NULL reader, so fallback on default configuration!");
+            return;
+        }
+
+        BufferedReader br = new BufferedReader(reader);
+        String line;
+        try {
+            while ((line = br.readLine()) != null) {
+                int commentMarker = line.indexOf('#');
+                if (commentMarker != -1) {
+                    if (commentMarker == 0) {
+                        // skip its a comment
+                        continue;
+                    } else {
+                        // it's a malformed comment
+                        throw new ParseException(line, commentMarker);
+                    }
+                } else {
+                    if (line.isEmpty() || line.matches("^\\s*$")) {
+                        // skip it's a black line
+                        continue;
+                    }
+
+                    // split till the first space
+                    int delimiterIdx = line.indexOf(' ');
+                    String key;
+                    String value = "";
+                    if (delimiterIdx > 0) {
+                        key = line.substring(0, delimiterIdx).trim();
+                        value = line.substring(delimiterIdx).trim();
+                    } else {
+                        key = line.trim();
+                    }
+
+                    m_properties.put(key, value);
+                }
+            }
+        } catch (IOException ex) {
+            throw new ParseException("Failed to read", 1);
+        } finally {
+            try {
+                reader.close();
+            } catch (IOException e) {
+                // ignore
+            }
+        }
+    }
+
+    Properties getProperties() {
+        return m_properties;
+    }
+}