SCB-1553 Integrate oas-validator compliance check to cli
Add abbr for checkstyle subcommand: cs
diff --git a/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyle.java b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyle.java
index 2ea2f99..6cd820b 100644
--- a/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyle.java
+++ b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyle.java
@@ -17,109 +17,10 @@
 
 package org.apache.servicecomb.toolkit.cli;
 
-import java.io.IOException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.List;
-
-import org.apache.commons.collections4.CollectionUtils;
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.IOUtils;
-import org.apache.servicecomb.toolkit.oasv.common.OasObjectProperty;
-import org.apache.servicecomb.toolkit.oasv.common.OasObjectPropertyLocation;
-import org.apache.servicecomb.toolkit.oasv.compliance.ComplianceCheckParser;
-import org.apache.servicecomb.toolkit.oasv.compliance.factory.DefaultOasSpecValidatorFactory;
-import org.apache.servicecomb.toolkit.oasv.validation.api.OasSpecValidator;
-import org.apache.servicecomb.toolkit.oasv.validation.api.OasValidationContext;
-import org.apache.servicecomb.toolkit.oasv.validation.api.OasViolation;
-import org.apache.servicecomb.toolkit.oasv.validation.factory.OasSpecValidatorFactory;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.context.annotation.AnnotationConfigApplicationContext;
-
-import io.airlift.airline.Arguments;
 import io.airlift.airline.Command;
-import io.swagger.v3.oas.models.OpenAPI;
-import io.swagger.v3.parser.core.models.SwaggerParseResult;
 
 @Command(name = "checkstyle",
-    description = "Check style of OpenAPI v3 spec yaml")
-public class CheckStyle implements Runnable {
+    description = "Check style for OpenAPI v3 spec yaml")
+public class CheckStyle extends CheckStyleBase {
 
-  private final static Logger LOGGER = LoggerFactory.getLogger(CheckStyle.class);
-
-  @Arguments(
-      title = "file", required = true,
-      description = "OpenAPI v3 spec yaml"
-  )
-  private String filePath;
-
-  @Override
-  public void run() {
-
-    String yaml = null;
-    try {
-      yaml = loadFileContent(filePath);
-    } catch (IOException e) {
-      LOGGER.error(e.getMessage());
-      return;
-    }
-
-    SwaggerParseResult parseResult = ComplianceCheckParser.parseYaml(yaml);
-    OpenAPI openAPI = parseResult.getOpenAPI();
-    if (openAPI == null) {
-      if (CollectionUtils.isNotEmpty(parseResult.getMessages())) {
-        for (String message : parseResult.getMessages()) {
-          LOGGER.error(message);
-        }
-      }
-      LOGGER.error("Parse error");
-      return;
-    }
-
-    OasSpecValidator oasSpecValidator = createOasSpecValidator();
-
-    List<OasViolation> violations = oasSpecValidator.validate(createContext(openAPI), openAPI);
-    if (CollectionUtils.isNotEmpty(violations)) {
-      for (OasViolation violation : violations) {
-        LOGGER.info("{}: {}", toPathString(violation.getLocation()), violation.getError());
-      }
-      return;
-    }
-    LOGGER.info("Everything is good");
-  }
-
-  private String toPathString(OasObjectPropertyLocation location) {
-    StringBuilder sb = new StringBuilder();
-    List<OasObjectProperty> path = location.getPath();
-    for (OasObjectProperty property : path) {
-      sb.append(property.getName()).append('.');
-    }
-    sb.deleteCharAt(sb.length() - 1);
-    return sb.toString();
-  }
-
-  private OasSpecValidator createOasSpecValidator() {
-    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
-        DefaultOasSpecValidatorFactory.class.getPackage().getName());
-    try {
-      OasSpecValidatorFactory oasSpecValidatorFactory = ctx.getBean(OasSpecValidatorFactory.class);
-      return oasSpecValidatorFactory.create();
-    } finally {
-      ctx.close();
-    }
-  }
-
-
-  private String loadFileContent(String filePath) throws IOException {
-    Path specPath = Paths.get(filePath);
-    specPath.toAbsolutePath().toString();
-    return FileUtils.readFileToString(specPath.toFile());
-  }
-
-  private OasValidationContext createContext(OpenAPI openAPI) {
-
-    OasValidationContext oasValidationContext = new OasValidationContext(openAPI);
-    return oasValidationContext;
-  }
 }
diff --git a/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyleAbbr.java b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyleAbbr.java
new file mode 100644
index 0000000..eca98a2
--- /dev/null
+++ b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyleAbbr.java
@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.servicecomb.toolkit.cli;
+
+import io.airlift.airline.Command;
+
+@Command(name = "cs",
+    description = "Check style for OpenAPI v3 spec yaml(abbr for checkstyle)")
+public class CheckStyleAbbr extends CheckStyleBase {
+
+}
diff --git a/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyleBase.java b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyleBase.java
new file mode 100644
index 0000000..e021d9f
--- /dev/null
+++ b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/CheckStyleBase.java
@@ -0,0 +1,122 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.servicecomb.toolkit.cli;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.io.FileUtils;
+import org.apache.servicecomb.toolkit.oasv.common.OasObjectProperty;
+import org.apache.servicecomb.toolkit.oasv.common.OasObjectPropertyLocation;
+import org.apache.servicecomb.toolkit.oasv.compliance.ComplianceCheckParser;
+import org.apache.servicecomb.toolkit.oasv.compliance.factory.DefaultOasSpecValidatorFactory;
+import org.apache.servicecomb.toolkit.oasv.validation.api.OasSpecValidator;
+import org.apache.servicecomb.toolkit.oasv.validation.api.OasValidationContext;
+import org.apache.servicecomb.toolkit.oasv.validation.api.OasViolation;
+import org.apache.servicecomb.toolkit.oasv.validation.factory.OasSpecValidatorFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import io.airlift.airline.Arguments;
+import io.airlift.airline.Command;
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.parser.core.models.SwaggerParseResult;
+
+public class CheckStyleBase implements Runnable {
+
+  private final Logger LOGGER = LoggerFactory.getLogger(this.getClass());
+
+  @Arguments(
+      title = "file", required = true,
+      description = "OpenAPI v3 spec yaml"
+  )
+  private String filePath;
+
+  @Override
+  public void run() {
+
+    String yaml = null;
+    try {
+      yaml = loadFileContent(filePath);
+    } catch (IOException e) {
+      LOGGER.error(e.getMessage());
+      return;
+    }
+
+    SwaggerParseResult parseResult = ComplianceCheckParser.parseYaml(yaml);
+    OpenAPI openAPI = parseResult.getOpenAPI();
+    if (openAPI == null) {
+      if (CollectionUtils.isNotEmpty(parseResult.getMessages())) {
+        for (String message : parseResult.getMessages()) {
+          LOGGER.error(message);
+        }
+      }
+      LOGGER.error("Parse error");
+      return;
+    }
+
+    OasSpecValidator oasSpecValidator = createOasSpecValidator();
+
+    List<OasViolation> violations = oasSpecValidator.validate(createContext(openAPI), openAPI);
+    if (CollectionUtils.isNotEmpty(violations)) {
+      for (OasViolation violation : violations) {
+        LOGGER.info("{}: {}", toPathString(violation.getLocation()), violation.getError());
+      }
+      return;
+    }
+    LOGGER.info("Everything is good");
+  }
+
+  private String toPathString(OasObjectPropertyLocation location) {
+    StringBuilder sb = new StringBuilder();
+    List<OasObjectProperty> path = location.getPath();
+    for (OasObjectProperty property : path) {
+      sb.append(property.getName()).append('.');
+    }
+    sb.deleteCharAt(sb.length() - 1);
+    return sb.toString();
+  }
+
+  private OasSpecValidator createOasSpecValidator() {
+    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
+        DefaultOasSpecValidatorFactory.class.getPackage().getName());
+    try {
+      OasSpecValidatorFactory oasSpecValidatorFactory = ctx.getBean(OasSpecValidatorFactory.class);
+      return oasSpecValidatorFactory.create();
+    } finally {
+      ctx.close();
+    }
+  }
+
+
+  private String loadFileContent(String filePath) throws IOException {
+    Path specPath = Paths.get(filePath);
+    specPath.toAbsolutePath().toString();
+    return FileUtils.readFileToString(specPath.toFile());
+  }
+
+  private OasValidationContext createContext(OpenAPI openAPI) {
+
+    OasValidationContext oasValidationContext = new OasValidationContext(openAPI);
+    return oasValidationContext;
+  }
+}
diff --git a/cli/src/main/java/org/apache/servicecomb/toolkit/cli/ToolkitMain.java b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/ToolkitMain.java
index 7bd38f9..39b2477 100755
--- a/cli/src/main/java/org/apache/servicecomb/toolkit/cli/ToolkitMain.java
+++ b/cli/src/main/java/org/apache/servicecomb/toolkit/cli/ToolkitMain.java
@@ -37,7 +37,7 @@
     builder.withDescription("Microservice development toolkit(version " + projectVersion
         + "). ");
     builder.withDefaultCommand(Help.class);
-    builder.withCommands(CodeGenerate.class, DocGenerate.class, CheckStyle.class, Help.class);
+    builder.withCommands(CodeGenerate.class, DocGenerate.class, CheckStyle.class, CheckStyleAbbr.class, Help.class);
     Runnable cmd = builder.build().parse(args);
 
     cmd.run();
diff --git a/cli/src/test/java/org/apache/servicecomb/toolkit/cli/CliTest.java b/cli/src/test/java/org/apache/servicecomb/toolkit/cli/CliTest.java
index 3c2fd7b..2068ddb 100755
--- a/cli/src/test/java/org/apache/servicecomb/toolkit/cli/CliTest.java
+++ b/cli/src/test/java/org/apache/servicecomb/toolkit/cli/CliTest.java
@@ -100,4 +100,13 @@
     ToolkitMain.main(args);
   }
 
+  @Test
+  public void testCheckStyleAbbr() throws IOException {
+    String[] args = new String[] {
+        "cs",
+        Paths.get("./src/test/resources/oas/parser-test.yaml").toFile().getCanonicalPath()
+    };
+    ToolkitMain.main(args);
+  }
+
 }