| /* |
| * 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.freemarker.docgen; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.xml.sax.ErrorHandler; |
| import org.xml.sax.SAXParseException; |
| |
| class CollectingErrorHandler implements ErrorHandler, |
| MessageStreamActivityMonitor { |
| |
| private final int maxErrorMessages; |
| |
| private boolean hadNewErrorMessage; |
| |
| CollectingErrorHandler(int maxErrors) { |
| maxErrorMessages = maxErrors; |
| } |
| |
| private final List<String> errors = new LinkedList<String>(); |
| |
| public void warning(SAXParseException spe) { |
| // Nop |
| } |
| |
| public void error(SAXParseException spe) throws SAXParseException { |
| addError("ERROR", spe); |
| } |
| |
| public void fatalError(SAXParseException spe) throws SAXParseException { |
| addError("FATAL ERROR", spe); |
| } |
| |
| public List<String> getErrors() { |
| return errors; |
| } |
| |
| private void addError(String type, SAXParseException spe) { |
| int ln = errors.size(); |
| if (ln < maxErrorMessages) { |
| hadNewErrorMessage = true; |
| errors.add(type + ": " + spe.getMessage() + "\n" |
| + "(at line " + spe.getLineNumber() |
| + ", column " + spe.getColumnNumber() |
| + " of " + spe.getSystemId() + ")"); |
| } else if (ln == maxErrorMessages) { |
| hadNewErrorMessage = true; |
| errors.add("TOO MANY ERRORS: Some error messages were discarded."); |
| } |
| } |
| |
| public boolean hadNewErrorMessage() { |
| return hadNewErrorMessage; |
| } |
| |
| public void reset() { |
| hadNewErrorMessage = false; |
| } |
| |
| } |