Java tutorial
package com.erigir.maven.plugin.processor; import com.erigir.maven.plugin.ValidationSetting; import org.apache.commons.io.IOUtils; import org.apache.maven.plugin.MojoExecutionException; import org.apache.maven.plugin.logging.Log; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; /** Copyright 2014 Christopher Weiss 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. **/ public class ValidationProcessor extends AbstractFileProcessor { private final Validator validator; public ValidationProcessor(ValidationSetting.ValidationType type) { switch (type) { case JSON: validator = new JSONValidator(); break; case XML: validator = new XMLValidator(); break; default: throw new IllegalArgumentException("Cannot set validator type to: " + type); } } @Override public boolean innerProcess(Log log, File src, File dst) throws MojoExecutionException, IOException { validator.validate(src); String input = IOUtils.toString(new FileInputStream(src)); IOUtils.write(input, new FileOutputStream(dst)); return true; } }