VIVO-213 smoke test to check JVM temp directory

If it isn't set, if it isn't a directory, if we can't access it, if we can't create a temp file, complain.

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/JvmSmokeTests.java

@@ -0,0 +1,79 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.servlet.setup;
+
+import java.io.File;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+import edu.cornell.mannlib.vitro.webapp.startup.StartupStatus;
+
+/**
+ * Test that the JVM is properly configured.
+ * 
+ * For now, we just test the temp directory. Other
+ */
+public class JvmSmokeTests implements ServletContextListener {
+
+	@Override
+	public void contextInitialized(ServletContextEvent sce) {
+		ServletContext ctx = sce.getServletContext();
+		StartupStatus ss = StartupStatus.getBean(ctx);
+
+		checkTempDirectory(ss);
+	}
+
+	/**
+	 * Check the Java temp directory. Make sure that it exists, it is a
+	 * directory, we can read it, we can write to it.
+	 * 
+	 * Create a temp file, and delete it.
+	 */
+	private void checkTempDirectory(StartupStatus ss) {
+		String tempDirPath = System.getProperty("java.io.tmpdir", "");
+		if (tempDirPath.isEmpty()) {
+			ss.fatal(this, "Problem with Java temp directory: "
+					+ "System property 'java.io.tmpdir' is not set.");
+			return;
+		}
+		File tempDir = new File(tempDirPath);
+		if (!tempDir.exists()) {
+			ss.fatal(this, "Problem with Java temp directory: '" + tempDirPath
+					+ "' does not exist.");
+			return;
+		}
+		if (!tempDir.isDirectory()) {
+			ss.fatal(this, "Problem with Java temp directory: '" + tempDirPath
+					+ "' exists, but is not a directory.");
+			return;
+		}
+		if (!tempDir.canRead()) {
+			ss.fatal(this, "Problem with Java temp directory: "
+					+ "No read access to '" + tempDirPath + "'.");
+			return;
+		}
+		if (!tempDir.canWrite()) {
+			ss.fatal(this, "Problem with Java temp directory: "
+					+ "No write access to '" + tempDirPath + "'.");
+			return;
+		}
+		try {
+			File testFile = File.createTempFile("smoke", null);
+			testFile.delete();
+		} catch (Exception e) {
+			ss.fatal(this, "Problem with Java temp directory: "
+					+ "Failed to create a temporary file in '" + tempDirPath
+					+ "'.", e);
+			return;
+		}
+		ss.info(this, "Java temp directory is '" + tempDirPath + "'");
+	}
+
+	@Override
+	public void contextDestroyed(ServletContextEvent sce) {
+		// Nothing to do at shutdown
+	}
+
+}

webapp/web/WEB-INF/resources/startup_listeners.txt

@@ -5,6 +5,8 @@
 #     https://sourceforge.net/apps/mediawiki/vivo/index.php?title=The_StartupManager
 #
 
+edu.cornell.mannlib.vitro.webapp.servlet.setup.JvmSmokeTests
+
 edu.cornell.mannlib.vitro.webapp.config.ConfigurationPropertiesSetup
 
 edu.cornell.mannlib.vitro.webapp.config.ConfigurationPropertiesSmokeTests