| // *************************************************************************************************************************** |
| // * 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.juneau.config.internal; |
| |
| import static org.apache.juneau.internal.StringUtils.*; |
| |
| import java.io.*; |
| import java.util.*; |
| |
| import org.apache.juneau.collections.*; |
| import org.apache.juneau.internal.*; |
| |
| /** |
| * Represents a single entry in a configuration. |
| * |
| * This is a read-only object. |
| */ |
| public class ConfigEntry { |
| final String rawLine; |
| final String key, value, comment; |
| final String modifiers; |
| final List<String> preLines; |
| |
| static final ConfigEntry NULL = new ConfigEntry(null, null, null, null, null); |
| |
| private final static AsciiSet MOD_CHARS = AsciiSet.create("#$%&*+^@~"); |
| |
| ConfigEntry(String line, List<String> preLines) { |
| this.rawLine = line; |
| int i = line.indexOf('='); |
| String key = line.substring(0, i).trim(); |
| |
| int modIndex = key.length(); |
| for (int j = key.length()-1; j > 0; j--) |
| if (MOD_CHARS.contains(key.charAt(j))) |
| modIndex--; |
| |
| this.modifiers = key.substring(modIndex); |
| this.key = key.substring(0, modIndex); |
| |
| line = line.substring(i+1); |
| |
| i = line.indexOf('#'); |
| if (i != -1) { |
| String[] l2 = StringUtils.split(line, '#', 2); |
| line = l2[0]; |
| if (l2.length == 2) |
| this.comment = l2[1].trim(); |
| else |
| this.comment = null; |
| } else { |
| this.comment = null; |
| } |
| |
| this.value = StringUtils.replaceUnicodeSequences(line.trim()); |
| |
| this.preLines = AList.unmodifiable(preLines); |
| } |
| |
| ConfigEntry(String key, String value, String modifiers, String comment, List<String> preLines) { |
| this.rawLine = null; |
| this.key = key; |
| this.value = value; |
| this.comment = comment; |
| this.modifiers = modifiers; |
| this.preLines = AList.unmodifiable(preLines); |
| } |
| |
| /** |
| * Returns the raw value of this entry. |
| * |
| * @return The raw value of this entry. |
| */ |
| public String getValue() { |
| return value; |
| } |
| |
| /** |
| * Returns the same-line comment of this entry. |
| * |
| * @return The same-line comment of this entry. |
| */ |
| public String getComment() { |
| return comment; |
| } |
| |
| /** |
| * Returns the pre-lines of this entry. |
| * |
| * @return The pre-lines of this entry as an unmodifiable list. |
| */ |
| public List<String> getPreLines() { |
| return preLines; |
| } |
| |
| /** |
| * Returns whether this entry has the specified modifier. |
| * |
| * @param m The modifier character. |
| * @return <jk>true</jk> if this entry is encoded. |
| */ |
| public boolean hasModifier(char m) { |
| return modifiers.indexOf(m) != -1; |
| } |
| |
| /** |
| * Returns the modifiers for this entry. |
| * |
| * @return The modifiers for this entry, or an empty string if it has no modifiers. |
| */ |
| public String getModifiers() { |
| return modifiers; |
| } |
| |
| Writer writeTo(Writer w) throws IOException { |
| if (value == null) |
| return w; |
| for (String pl : preLines) |
| w.append(pl).append('\n'); |
| if (rawLine != null) { |
| for (int i = 0; i < rawLine.length(); i++) { |
| char c = rawLine.charAt(i); |
| if (c == '\n') |
| w.append('\n').append('\t'); |
| else if (c != '\r') |
| w.append(c); |
| } |
| w.append('\n'); |
| } else { |
| w.append(key); |
| if (modifiers != null) |
| w.append(modifiers); |
| w.append(" = "); |
| |
| String val = value; |
| for (int i = 0; i < val.length(); i++) { |
| char c = val.charAt(i); |
| if (c == '\n') |
| w.append('\n').append('\t'); |
| else if (c != '\r') { |
| if (REPLACE_CHARS.contains(c) || (Character.isISOControl(c) && ! (c == '\n' || c == '\r' || c == '\t'))) { |
| w.append(StringUtils.unicodeSequence(c)); |
| } else { |
| w.append(c); |
| } |
| } |
| } |
| |
| if (isNotEmpty(comment)) |
| w.append(" # ").append(comment); |
| |
| w.append('\n'); |
| } |
| return w; |
| } |
| |
| private static final AsciiSet REPLACE_CHARS = AsciiSet.create("\\#"); |
| } |