| /* |
| * 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.maven.plugins.changes.schema; |
| |
| import javax.xml.transform.stream.StreamSource; |
| import javax.xml.validation.Schema; |
| import javax.xml.validation.SchemaFactory; |
| import javax.xml.validation.Validator; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.Reader; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.commons.io.input.XmlStreamReader; |
| import org.codehaus.plexus.component.annotations.Component; |
| import org.codehaus.plexus.util.IOUtil; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * @author Olivier Lamy |
| * @since 28 juil. 2008 |
| * @version $Id$ |
| */ |
| @Component(role = ChangesSchemaValidator.class, hint = "default") |
| public class DefaultChangesSchemaValidator implements ChangesSchemaValidator { |
| |
| /** property schema */ |
| public static final String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema"; |
| |
| public static final String CHANGES_SCHEMA_PATH = "META-INF/changes/xsd/"; |
| |
| private Map<String, Schema> compiledSchemas = new HashMap<>(); |
| |
| public XmlValidationHandler validateXmlWithSchema(File file, String schemaVersion, boolean failOnValidationError) |
| throws SchemaValidatorException { |
| try { |
| String schemaPath = CHANGES_SCHEMA_PATH + "changes-" + schemaVersion + ".xsd"; |
| |
| Schema schema = getSchema(schemaPath); |
| |
| Validator validator = schema.newValidator(); |
| |
| XmlValidationHandler baseHandler = new XmlValidationHandler(failOnValidationError); |
| |
| validator.setErrorHandler(baseHandler); |
| |
| try (Reader reader = new XmlStreamReader(file)) { |
| validator.validate(new StreamSource(reader)); |
| } |
| |
| return baseHandler; |
| } catch (IOException e) { |
| throw new SchemaValidatorException("IOException : " + e.getMessage(), e); |
| } catch (SAXException e) { |
| throw new SchemaValidatorException("SAXException : " + e.getMessage(), e); |
| } catch (Exception e) { |
| throw new SchemaValidatorException("Exception : " + e.getMessage(), e); |
| } |
| } |
| |
| public Schema getSchema(String schemaPath) throws SAXException, IOException { |
| if (this.compiledSchemas.containsKey(schemaPath)) { |
| return this.compiledSchemas.get(schemaPath); |
| } |
| Schema schema = this.compileJAXPSchema(schemaPath); |
| |
| this.compiledSchemas.put(schemaPath, schema); |
| |
| return schema; |
| } |
| |
| /** |
| * @param uriSchema |
| * @return Schema |
| * @throws Exception |
| */ |
| private Schema compileJAXPSchema(String uriSchema) throws IOException, SAXException, NullPointerException { |
| InputStream in = null; |
| try { |
| in = Thread.currentThread().getContextClassLoader().getResourceAsStream(uriSchema); |
| if (in == null) { |
| throw new NullPointerException(" impossible to load schema with path " + uriSchema); |
| } |
| |
| // newInstance de SchemaFactory not ThreadSafe |
| final Schema schema = SchemaFactory.newInstance(W3C_XML_SCHEMA).newSchema(new StreamSource(in)); |
| in.close(); |
| in = null; |
| return schema; |
| } finally { |
| IOUtil.close(in); |
| } |
| } |
| |
| public void loadSchema(String uriSchema) throws SchemaValidatorException { |
| try { |
| this.getSchema(uriSchema); |
| } catch (SAXException e) { |
| throw new SchemaValidatorException("SAXException : " + e.getMessage(), e); |
| } catch (IOException e) { |
| throw new SchemaValidatorException("IOException : " + e.getMessage(), e); |
| } |
| } |
| } |