org.ini4j.BasicProfileSection Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of izpack-ini4j Show documentation

Java API for handling configuration files in Windows .ini format. The library includes its own Map based API, Java Preferences API and Java Beans API for handling .ini files. Additionally, the library includes a feature rich (variable/macro substitution, multiply property values, etc) java.util.Properties replacement.

The newest version!

/*
 * Copyright 2005,2009 Ivan SZKIBA
 *
 * 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 org.ini4j;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

class BasicProfileSection extends BasicOptionMap implements Profile.Section
{
    private static final long serialVersionUID = 985800697957194374L;
    private static final String[] EMPTY_STRING_ARRAY = {};
    private static final char REGEXP_ESCAPE_CHAR = '\\';
    private final Pattern _childPattern;
    private final String _name;
    private final BasicProfile _profile;

    protected BasicProfileSection(BasicProfile profile, String name)
    {
        _profile = profile;
        _name = name;
        _childPattern = newChildPattern(name);
    }

    @Override public Profile.Section getChild(String key)
    {
        return _profile.get(childName(key));
    }

    @Override public String getName()
    {
        return _name;
    }

    @Override public Profile.Section getParent()
    {
        Profile.Section ret = null;
        int idx = _name.lastIndexOf(_profile.getPathSeparator());

        if (idx >= 0)
        {
            String name = _name.substring(0, idx);

            ret = _profile.get(name);
        }

        return ret;
    }

    @Override public String getSimpleName()
    {
        int idx = _name.lastIndexOf(_profile.getPathSeparator());

        return (idx < 0) ? _name : _name.substring(idx + 1);
    }

    @Override public Profile.Section addChild(String key)
    {
        String name = childName(key);

        return _profile.add(name);
    }

    @Override public String[] childrenNames()
    {
        List names = new ArrayList();

        for (String key : _profile.keySet())
        {
            if (_childPattern.matcher(key).matches())
            {
                names.add(key.substring(_name.length() + 1));
            }
        }

        return names.toArray(EMPTY_STRING_ARRAY);
    }

    @Override public Profile.Section lookup(String... parts)
    {
        StringBuilder buff = new StringBuilder();

        for (String part : parts)
        {
            if (buff.length() != 0)
            {
                buff.append(_profile.getPathSeparator());
            }

            buff.append(part);
        }

        return _profile.get(childName(buff.toString()));
    }

    @Override public void removeChild(String key)
    {
        String name = childName(key);

        _profile.remove(name);
    }

    @Override boolean isPropertyFirstUpper()
    {
        return _profile.isPropertyFirstUpper();
    }

    @Override void resolve(StringBuilder buffer)
    {
        _profile.resolve(buffer, this);
    }

    private String childName(String key)
    {
        StringBuilder buff = new StringBuilder(_name);

        buff.append(_profile.getPathSeparator());
        buff.append(key);

        return buff.toString();
    }

    private Pattern newChildPattern(String name)
    {
        StringBuilder buff = new StringBuilder();

        buff.append('^');
        buff.append(Pattern.quote(name));
        buff.append(REGEXP_ESCAPE_CHAR);
        buff.append(_profile.getPathSeparator());
        buff.append("[^");
        buff.append(REGEXP_ESCAPE_CHAR);
        buff.append(_profile.getPathSeparator());
        buff.append("]+$");

        return Pattern.compile(buff.toString());
    }
}