Add Command Line Interface (#525)

1 files changed, 75 insertions, 0 deletions

diff --git a/org.jacoco.cli/src/org/jacoco/cli/internal/commands/ClassInfo.java b/org.jacoco.cli/src/org/jacoco/cli/internal/commands/ClassInfo.java
new file mode 100644
index 00000000..dd6a3718
--- /dev/null
+++ b/org.jacoco.cli/src/org/jacoco/cli/internal/commands/ClassInfo.java
@@ -0,0 +1,75 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Marc R. Hoffmann - initial API and implementation
+ *
+ *******************************************************************************/
+package org.jacoco.cli.internal.commands;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.jacoco.cli.internal.Command;
+import org.jacoco.core.analysis.Analyzer;
+import org.jacoco.core.analysis.IClassCoverage;
+import org.jacoco.core.analysis.ICoverageVisitor;
+import org.jacoco.core.data.ExecutionDataStore;
+import org.kohsuke.args4j.Argument;
+
+/**
+ * The <code>classinfo</code> command.
+ */
+public class ClassInfo extends Command {
+
+	@Argument(usage = "location of Java class files", metaVar = "<classlocations>")
+	List<File> classfiles = new ArrayList<File>();
+
+	@Override
+	public String description() {
+		return "Print information about Java class files at the provided location.";
+	}
+
+	@Override
+	public int execute(final PrintWriter out, final PrintWriter err)
+			throws IOException {
+		if (classfiles.isEmpty()) {
+			out.println("[WARN] No class files provided.");
+		} else {
+			final Analyzer analyzer = new Analyzer(new ExecutionDataStore(),
+					new ICoverageVisitor() {
+						public void visitCoverage(
+								final IClassCoverage coverage) {
+							print(coverage, out);
+						}
+					});
+			for (final File file : classfiles) {
+				analyzer.analyzeAll(file);
+			}
+		}
+		return 0;
+	}
+
+	private void print(final IClassCoverage coverage, final PrintWriter out) {
+		out.printf("class name:   %s%n", coverage.getName());
+		out.printf("class id:     %016x%n", Long.valueOf(coverage.getId()));
+		out.printf("instructions: %s%n", Integer
+				.valueOf(coverage.getInstructionCounter().getTotalCount()));
+		out.printf("branches:     %s%n",
+				Integer.valueOf(coverage.getBranchCounter().getTotalCount()));
+		out.printf("lines:        %s%n",
+				Integer.valueOf(coverage.getLineCounter().getTotalCount()));
+		out.printf("methods:      %s%n",
+				Integer.valueOf(coverage.getMethodCounter().getTotalCount()));
+		out.printf("complexity:   %s%n%n", Integer
+				.valueOf(coverage.getComplexityCounter().getTotalCount()));
+	}
+
+}