| /* |
| * 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.myfaces.util; |
| |
| /** |
| * This class contains utility methods to detect special cases to be handled on "script" or |
| * "style" tags by HtmlResponseWriterImpl. |
| */ |
| public class CommentUtils |
| { |
| public static final String INLINE_SCRIPT_COMMENT = "//"; |
| public static final String START_SCRIPT_COMMENT = "/*"; |
| public static final String END_SCRIPT_COMMENT = "*/"; |
| public static final String CDATA_SIMPLE_START = "<![CDATA["; |
| public static final String CDATA_SIMPLE_END = "]]>"; |
| public static final String COMMENT_SIMPLE_START = "<!--"; |
| public static final String COMMENT_SIMPLE_END = "-->"; |
| |
| public static boolean isStartMatchWithCommentedCDATA(String trimmedContent) |
| { |
| if (trimmedContent.startsWith(START_SCRIPT_COMMENT)) |
| { |
| int offset = 2; |
| while (trimmedContent.charAt(offset) <= ' ') |
| { |
| offset++; |
| } |
| if (trimmedContent.startsWith(CDATA_SIMPLE_START, offset)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean isEndMatchWithCommentedCDATA(String trimmedContent) |
| { |
| if (trimmedContent.endsWith(END_SCRIPT_COMMENT)) |
| { |
| int offset = trimmedContent.length()-3; |
| while (trimmedContent.charAt(offset) <= ' ') |
| { |
| offset--; |
| } |
| // CDATA_SIMPLE_END.length() = 3 |
| // So, -3 +1 = -2 |
| if (trimmedContent.startsWith(CDATA_SIMPLE_END, offset - 2)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean isEndMatchtWithInlineCommentedXmlCommentTag(String trimmedContent) |
| { |
| if (trimmedContent.endsWith(COMMENT_SIMPLE_END)) |
| { |
| int offset = trimmedContent.length()-4; |
| while (trimmedContent.charAt(offset) <= ' ' && |
| trimmedContent.charAt(offset) != '\n') |
| { |
| offset--; |
| } |
| // INLINE_SCRIPT_COMMENT.length() = 2 |
| // So, -2 +1 = -1 |
| if (trimmedContent.startsWith(INLINE_SCRIPT_COMMENT, offset - 1)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean isStartMatchWithInlineCommentedCDATA(String trimmedContent) |
| { |
| if (trimmedContent.startsWith(INLINE_SCRIPT_COMMENT)) |
| { |
| int offset = 2; |
| while (trimmedContent.charAt(offset) <= ' ' && |
| trimmedContent.charAt(offset) != '\n') |
| { |
| offset++; |
| } |
| if (trimmedContent.startsWith(CDATA_SIMPLE_START, offset)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean isEndMatchWithInlineCommentedCDATA(String trimmedContent) |
| { |
| if (trimmedContent.endsWith(CDATA_SIMPLE_END)) |
| { |
| int offset = trimmedContent.length()- 4; |
| while (trimmedContent.charAt(offset) <= ' ' && |
| trimmedContent.charAt(offset) != '\n') |
| { |
| offset--; |
| } |
| // INLINE_SCRIPT_COMMENT.length() = 2 |
| // So, -2 +1 = -1 |
| if (trimmedContent.startsWith(INLINE_SCRIPT_COMMENT, offset - 1)) |
| { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |