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RFC 3986 compliant URI implementation.

There is a newer version: 0.8.1

/*
 * Copyright 2017 dmfs GmbH
 *
 * 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.dmfs.rfc3986.authorities;

import org.dmfs.rfc3986.Authority;
import org.dmfs.rfc3986.UriEncoded;


/**
 * @author Marten Gajda
 */
public final class StructuredAuthority implements Authority
{
    private final UriEncoded mUserInfo;
    private final UriEncoded mHost;
    private final int mPort;

    private transient String mAuthority;


    public StructuredAuthority(UriEncoded userInfo, UriEncoded host, int port)
    {
        mUserInfo = userInfo;
        mHost = host;
        mPort = port;
    }


    @Override
    public UriEncoded userinfo()
    {
        return mUserInfo;
    }


    @Override
    public UriEncoded host()
    {
        return mHost;
    }


    @Override
    public int port()
    {
        return mPort;
    }


    @Override
    public int length()
    {
        return toString().length();
    }


    @Override
    public char charAt(int i)
    {
        return toString().charAt(i);
    }


    @Override
    public CharSequence subSequence(int beginIndex, int endIndex)
    {
        return toString().subSequence(beginIndex, endIndex);
    }


    @Override
    public String toString()
    {
        if (mAuthority == null)
        {
            StringBuilder builder = new StringBuilder(mUserInfo.length() + 1 + mHost.length() + 1 + 5);
            if (mUserInfo.length() > 0)
            {
                builder.append(mUserInfo);
                builder.append('@');
            }
            builder.append(mHost);
            if (mPort >= 0)
            {
                builder.append(':');
                builder.append(String.valueOf(mPort));
            }
            mAuthority = builder.toString();
        }
        return mAuthority;
    }
}