add shell cmd util

Author: yunheli

platform-plugin/src/main/java/com/flow/platform/plugin/util/ShellUtil.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2017 flow.ci
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.flow.platform.plugin.util;
+
+import com.flow.platform.plugin.exception.PluginException;
+import com.flow.platform.util.Logger;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+/**
+ * @author yh@firim
+ */
+public class ShellUtil {
+
+    private final static Logger LOGGER = new Logger(ShellUtil.class);
+
+    public static void exeCmd(String shell) {
+        BufferedReader br;
+        try {
+            Process process;
+            ProcessBuilder pb = new ProcessBuilder("/bin/bash", "-c", shell);
+            pb.environment();
+            pb.redirectErrorStream(true); // merge error stream into standard stream
+            process = pb.start();
+            if (process != null) {
+                br = new BufferedReader(
+                    new InputStreamReader(process.getInputStream()), 1024);
+                process.waitFor();
+            } else {
+                throw new PluginException("Plugin running process is not start");
+            }
+            String line;
+            while (br != null && (line = br.readLine()) != null) {
+                LOGGER.debug(line);
+            }
+        } catch (Exception e) {
+            LOGGER.error("Exec cmd error", e);
+        } finally {
+        }
+    }
+}

platform-plugin/src/test/java/com/flow/platform/plugin/test/util/ShellUtilTest.java

@@ -0,0 +1,18 @@
+package com.flow.platform.plugin.test.util;
+
+import com.flow.platform.plugin.test.TestBase;
+import com.flow.platform.plugin.util.ShellUtil;
+import org.junit.Test;
+
+/**
+ * @author yh@firim
+ */
+public class ShellUtilTest extends TestBase{
+
+    @Test
+    public void should_exec_cmd_success() {
+        ShellUtil.exeCmd("echo helloworld");
+        ShellUtil.exeCmd("pwd");
+        ShellUtil.exeCmd("mvn");
+    }
+}