Initial commit.

src/main/java/org/slf4j/impl/StaticLoggerBinder.java

@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2004-2011 QOS.ch
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free  of charge, to any person obtaining
+ * a  copy  of this  software  and  associated  documentation files  (the
+ * "Software"), to  deal in  the Software without  restriction, including
+ * without limitation  the rights to  use, copy, modify,  merge, publish,
+ * distribute,  sublicense, and/or sell  copies of  the Software,  and to
+ * permit persons to whom the Software  is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The  above  copyright  notice  and  this permission  notice  shall  be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
+ * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
+ * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+package org.slf4j.impl;
+
+import org.slf4j.ILoggerFactory;
+import org.slf4j.LoggerFactory;
+import org.slf4j.spi.LoggerFactoryBinder;
+
+/**
+ * The binding of {@link LoggerFactory} class with an actual instance of 
+ * {@link ILoggerFactory} is performed using information returned by this class. 
+ *
+ * @author Ceki Gülcü
+ */
+public class StaticLoggerBinder implements LoggerFactoryBinder {
+
+    /**
+     * The unique instance of this class.
+     *
+     */
+    private static final StaticLoggerBinder SINGLETON = new StaticLoggerBinder();
+
+    /**
+     * Return the singleton of this class.
+     *
+     * @return the StaticLoggerBinder singleton
+     */
+    public static final StaticLoggerBinder getSingleton() {
+        return SINGLETON;
+    }
+
+
+    /**
+     * Declare the version of the SLF4J API this implementation is compiled against.
+     * The value of this field is usually modified with each release.
+     */
+    // to avoid constant folding by the compiler, this field must *not* be final
+    public static String REQUESTED_API_VERSION = "1.6.99";  // !final
+
+
+    private static final String loggerFactoryClassStr = PluginSlf4jFactory.class.getName();
+
+    /** The ILoggerFactory instance returned by the {@link #getLoggerFactory} method
+     * should always be the same object
+     */
+    private final ILoggerFactory loggerFactory;
+
+    private StaticLoggerBinder() {
+//  Note: JCL gets substituted at build time by an appropriate Ant task
+        loggerFactory = new PluginSlf4jFactory();
+    }
+
+    public ILoggerFactory getLoggerFactory() {
+        return loggerFactory;
+    }
+
+    public String getLoggerFactoryClassStr() {
+        return loggerFactoryClassStr;
+    }
+}