| /* |
| * Copyright (C) 2010 Google Inc. |
| * |
| * 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.google.clearsilver.jsilver.exceptions; |
| |
| /** |
| * Thrown when resource (e.g. template or HDF) contains bad syntax. |
| */ |
| public class JSilverBadSyntaxException extends JSilverException { |
| |
| private final String resourceName; |
| |
| private final int line; |
| |
| private final int column; |
| |
| /** |
| * Signifies line or column is not known. |
| */ |
| public static final int UNKNOWN_POSITION = -1; |
| |
| /** |
| * Constructor of JSilverBadSyntaxException. |
| * |
| * @param message text of an error message |
| * @param lineContent content of a line where error occurred (can be null) |
| * @param resourceName name of a file where error occurred (can be null) |
| * @param line number of a line in {@code resourceName} where error occurred (ignored if set to |
| * {@link #UNKNOWN_POSITION}) |
| * @param column number of a column in {@code resourceName} where error occurred (ignored if set |
| * to {@link #UNKNOWN_POSITION}) |
| * @param cause an original exception of an error. Null value is permitted and indicates that the |
| * cause is nonexistent or unknown. |
| */ |
| public JSilverBadSyntaxException(String message, String lineContent, String resourceName, |
| int line, int column, Throwable cause) { |
| super(makeMessage(message, lineContent, resourceName, line, column), cause); |
| this.resourceName = resourceName; |
| this.line = line; |
| this.column = column; |
| } |
| |
| private static String makeMessage(String message, String lineContent, String resourceName, |
| int line, int column) { |
| StringBuilder result = new StringBuilder(message); |
| if (resourceName != null) { |
| result.append(" resource=").append(resourceName); |
| } |
| if (lineContent != null) { |
| result.append(" content=").append(lineContent); |
| } |
| if (line != UNKNOWN_POSITION) { |
| result.append(" line=").append(line); |
| } |
| if (column != UNKNOWN_POSITION) { |
| result.append(" column=").append(column); |
| } |
| return result.toString(); |
| } |
| |
| /** |
| * Name of resource that had syntax error (typically a file name). |
| */ |
| public String getResourceName() { |
| return resourceName; |
| } |
| |
| /** |
| * Line number this syntax error occured, or {@link #UNKNOWN_POSITION}. |
| */ |
| public int getLine() { |
| return line; |
| } |
| |
| /** |
| * Column number this syntax error occured, or {@link #UNKNOWN_POSITION}. |
| */ |
| public int getColumn() { |
| return column; |
| } |
| |
| } |