| /* |
| * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| package com.sun.hotspot.igv.data; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| |
| /** |
| * |
| * @author Thomas Wuerthinger |
| */ |
| public class Properties implements Serializable, Iterable<Property> { |
| |
| public static final long serialVersionUID = 1L; |
| private String[] map = new String[4]; |
| |
| public Properties() { |
| } |
| |
| @Override |
| public boolean equals(java.lang.Object o) { |
| if (!(o instanceof Properties)) { |
| return false; |
| } |
| |
| Properties p = (Properties) o; |
| |
| for (Property prop : this) { |
| String value = p.get(prop.getName()); |
| if (value == null || !value.equals(prop.getValue())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = 5; |
| hash = 83 * hash + (this.map != null ? this.map.hashCode() : 0); |
| return hash; |
| } |
| |
| public Properties(String name, String value) { |
| this(); |
| this.setProperty(name, value); |
| } |
| |
| public Properties(String name, String value, String name1, String value1) { |
| this(name, value); |
| this.setProperty(name1, value1); |
| } |
| |
| public Properties(String name, String value, String name1, String value1, String name2, String value2) { |
| this(name, value, name1, value1); |
| this.setProperty(name2, value2); |
| } |
| |
| public Properties(Properties p) { |
| map = new String[p.map.length]; |
| System.arraycopy(map, 0, p.map, 0, p.map.length); |
| } |
| |
| public static class Entity implements Provider { |
| |
| private Properties properties; |
| |
| public Entity() { |
| properties = new Properties(); |
| } |
| |
| public Entity(Properties.Entity object) { |
| properties = new Properties(object.getProperties()); |
| } |
| |
| public Properties getProperties() { |
| return properties; |
| } |
| } |
| |
| private String getProperty(String key) { |
| for (int i = 0; i < map.length; i += 2) |
| if (map[i] != null && map[i].equals(key)) { |
| return map[i + 1]; |
| } |
| return null; |
| } |
| |
| public interface PropertyMatcher { |
| |
| String getName(); |
| |
| boolean match(String value); |
| } |
| |
| public static class InvertPropertyMatcher implements PropertyMatcher { |
| |
| private PropertyMatcher matcher; |
| |
| public InvertPropertyMatcher(PropertyMatcher matcher) { |
| this.matcher = matcher; |
| } |
| |
| public String getName() { |
| return matcher.getName(); |
| } |
| |
| public boolean match(String p) { |
| return !matcher.match(p); |
| } |
| } |
| |
| public static class StringPropertyMatcher implements PropertyMatcher { |
| |
| private String name; |
| private String value; |
| |
| public StringPropertyMatcher(String name, String value) { |
| this.name = name; |
| this.value = value; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public boolean match(String p) { |
| return p.equals(value); |
| } |
| } |
| |
| public static class RegexpPropertyMatcher implements PropertyMatcher { |
| |
| private String name; |
| private Pattern valuePattern; |
| |
| public RegexpPropertyMatcher(String name, String value) { |
| this.name = name; |
| valuePattern = Pattern.compile(value); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public boolean match(String p) { |
| Matcher m = valuePattern.matcher(p); |
| return m.matches(); |
| } |
| } |
| |
| public Property selectSingle(PropertyMatcher matcher) { |
| String value = null; |
| for (int i = 0; i < map.length; i += 2) { |
| if (map[i] != null && matcher.getName().equals(map[i])) { |
| value = map[i + 1]; |
| break; |
| } |
| } |
| if (value != null && matcher.match(value)) { |
| return new Property(matcher.getName(), value); |
| } else { |
| return null; |
| } |
| } |
| |
| public interface Provider { |
| |
| public Properties getProperties(); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("["); |
| for (int i = 0; i < map.length; i += 2) { |
| if (map[i + 1] != null) { |
| String p = map[i + 1]; |
| sb.append(map[i] + " = " + map[i + 1] + "; "); |
| } |
| } |
| return sb.append("]").toString(); |
| } |
| |
| public static class PropertySelector<T extends Properties.Provider> { |
| |
| private Collection<T> objects; |
| |
| public PropertySelector(Collection<T> objects) { |
| this.objects = objects; |
| } |
| |
| public T selectSingle(final String name, final String value) { |
| return selectSingle(new StringPropertyMatcher(name, value)); |
| } |
| |
| public T selectSingle(PropertyMatcher matcher) { |
| |
| for (T t : objects) { |
| Property p = t.getProperties().selectSingle(matcher); |
| if (p != null) { |
| return t; |
| } |
| } |
| |
| return null; |
| } |
| |
| public List<T> selectMultiple(final String name, final String value) { |
| return selectMultiple(new StringPropertyMatcher(name, value)); |
| } |
| |
| public List<T> selectMultiple(PropertyMatcher matcher) { |
| List<T> result = new ArrayList<T>(); |
| for (T t : objects) { |
| Property p = t.getProperties().selectSingle(matcher); |
| if (p != null) { |
| result.add(t); |
| } |
| } |
| return result; |
| } |
| } |
| |
| public String get(String key) { |
| for (int i = 0; i < map.length; i += 2) { |
| if (map[i] != null && map[i].equals(key)) { |
| return map[i + 1]; |
| } |
| } |
| return null; |
| } |
| |
| public void setProperty(String name, String value) { |
| for (int i = 0; i < map.length; i += 2) { |
| if (map[i] != null && map[i].equals(name)) { |
| String p = map[i + 1]; |
| if (value == null) { |
| // remove this property |
| map[i] = null; |
| map[i + 1] = null; |
| } else { |
| map[i + 1] = value; |
| } |
| return; |
| } |
| } |
| if (value == null) { |
| return; |
| } |
| for (int i = 0; i < map.length; i += 2) { |
| if (map[i] == null) { |
| map[i] = name; |
| map[i + 1] = value; |
| return; |
| } |
| } |
| String[] newMap = new String[map.length + 4]; |
| System.arraycopy(map, 0, newMap, 0, map.length); |
| newMap[map.length] = name; |
| newMap[map.length + 1] = value; |
| map = newMap; |
| } |
| |
| public Iterator<Property> getProperties() { |
| return iterator(); |
| } |
| |
| public void add(Properties properties) { |
| for (Property p : properties) { |
| add(p); |
| } |
| } |
| |
| public void add(Property property) { |
| assert property.getName() != null; |
| assert property.getValue() != null; |
| setProperty(property.getName(), property.getValue()); |
| } |
| class PropertiesIterator implements Iterator<Property>, Iterable<Property> { |
| public Iterator<Property> iterator() { |
| return this; |
| } |
| |
| int index; |
| |
| public boolean hasNext() { |
| while (index < map.length && map[index + 1] == null) |
| index += 2; |
| return index < map.length; |
| } |
| |
| public Property next() { |
| if (index < map.length) { |
| index += 2; |
| return new Property(map[index - 2], map[index - 1]); |
| } |
| return null; |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException("Not supported yet."); |
| } |
| |
| } |
| public Iterator<Property> iterator() { |
| return new PropertiesIterator(); |
| } |
| } |