1 files changed, 84 insertions, 0 deletions
diff --git a/bindings/java/src/java/com/galois/ppaml/tracer/EnvironmentConfiguredTracer.java b/bindings/java/src/java/com/galois/ppaml/tracer/EnvironmentConfiguredTracer.java
new file mode 100644
index 0000000..925e3e2
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+++ b/bindings/java/src/java/com/galois/ppaml/tracer/EnvironmentConfiguredTracer.java
@@ -0,0 +1,84 @@
+/* EnvironmentConfiguredTracer -- tracer initialized with ppaml_tracer_init_from_env
+ * Copyright (C) 2014  Galois, Inc.
+ *
+ * This library is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * To contact Galois, complete the Web form at
+ * <http://corp.galois.com/contact/> or write to Galois, Inc., 421 Southwest
+ * 6th Avenue, Suite 300, Portland, Oregon, 97204-1622. */
+
+package com.galois.ppaml.tracer;
+
+/**
+ * A tracer initialized automatically from environment variables.
+ *
+ * <p>The currently-supported environment variables are:
+ *
+ * <dl>
+ *   <dt><code>PPAMLTRACER_TRACE_BASE</code></dt><dd>All trace file paths will
+ *     begin with this path.</dd>
+ */
+public final class EnvironmentConfiguredTracer extends TracerCWrapper {
+
+    /**
+     * Creates and initializes an <code>EnvironmentConfiguredTracer</code>.  The
+     * trace report will be stored in Open Trace Format.
+     */
+    public EnvironmentConfiguredTracer() {
+        super.open();
+    }
+
+    ////////////////////////// Low-level life cycle  //////////////////////////
+
+    ///// JNI adapter code /////
+
+    /**
+     * Installs data into the structure to make it ready for use.
+     *
+     * <p> <b>Precondition:</b> Initialization succeeded.
+     *
+     * @throws OTFManagerInitializationException the Open Trace Format file
+     * manager could not be initialized.
+     *
+     * @throws OTFWriterInitializationException the Open Trace Format writer
+     * could not be initialized.
+     *
+     * @throws OTFWriterResolutionException setting the trace resolution failed.
+     *
+     * @throws OTFWriterProcessDefinitionException defining the main OTF process
+     * failed.
+     */
+    @Override
+    protected void initializeCPointer() {
+        assert this.cPointer != 0;
+        final int r = ppaml_tracer_init_from_env(this.cPointer);
+        switch (r) {
+        case 0:
+            break;
+        case 1:
+            throw new OTFManagerInitializationException();
+        case 2:
+            throw new OTFWriterInitializationException();
+        case 3:
+            throw new OTFWriterResolutionException();
+        case 4:
+            throw new OTFWriterProcessDefinitionException("main");
+        case 5:
+            throw new UndefinedTracerBasePathException();
+        default:
+            throw new UnexpectedReturnValueError(r);
+        }
+    }
+
+}