1 files changed, 90 insertions, 0 deletions
diff --git a/org.jacoco.cli/src/org/jacoco/cli/internal/commands/ExecInfo.java b/org.jacoco.cli/src/org/jacoco/cli/internal/commands/ExecInfo.java
new file mode 100644
index 00000000..e798bf6f
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+++ b/org.jacoco.cli/src/org/jacoco/cli/internal/commands/ExecInfo.java
@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * 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.FileInputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import org.jacoco.cli.internal.Command;
+import org.jacoco.core.data.ExecutionData;
+import org.jacoco.core.data.ExecutionDataReader;
+import org.jacoco.core.data.IExecutionDataVisitor;
+import org.jacoco.core.data.ISessionInfoVisitor;
+import org.jacoco.core.data.SessionInfo;
+import org.kohsuke.args4j.Argument;
+
+/**
+ * The <code>execinfo</code> command.
+ */
+public class ExecInfo extends Command {
+
+	@Argument(usage = "list of JaCoCo *.exec files to read", metaVar = "<execfiles>")
+	List<File> execfiles = new ArrayList<File>();
+
+	@Override
+	public String description() {
+		return "Print exec file content in human readable format.";
+	}
+
+	@Override
+	public int execute(final PrintWriter out, final PrintWriter err)
+			throws IOException {
+		for (final File file : execfiles) {
+			dump(file, out);
+		}
+		return 0;
+	}
+
+	private void dump(final File file, final PrintWriter out)
+			throws IOException {
+		out.printf("[INFO] Loading exec file %s.%n", file);
+		out.println("CLASS ID         HITS/PROBES   CLASS NAME");
+
+		final FileInputStream in = new FileInputStream(file);
+		final ExecutionDataReader reader = new ExecutionDataReader(in);
+		reader.setSessionInfoVisitor(new ISessionInfoVisitor() {
+			public void visitSessionInfo(final SessionInfo info) {
+				out.printf("Session \"%s\": %s - %s%n", info.getId(),
+						new Date(info.getStartTimeStamp()),
+						new Date(info.getDumpTimeStamp()));
+			}
+		});
+		reader.setExecutionDataVisitor(new IExecutionDataVisitor() {
+			public void visitClassExecution(final ExecutionData data) {
+				out.printf("%016x  %3d of %3d   %s%n",
+						Long.valueOf(data.getId()),
+						Integer.valueOf(getHitCount(data.getProbes())),
+						Integer.valueOf(data.getProbes().length),
+						data.getName());
+			}
+		});
+		reader.read();
+		in.close();
+		out.println();
+	}
+
+	private int getHitCount(final boolean[] data) {
+		int count = 0;
+		for (final boolean hit : data) {
+			if (hit) {
+				count++;
+			}
+		}
+		return count;
+	}
+
+}