org.dmfs.rfc3986.uris.Text Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of rfc3986-uri Show documentation
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.uris;

import org.dmfs.rfc3986.Authority;
import org.dmfs.rfc3986.Fragment;
import org.dmfs.rfc3986.Query;
import org.dmfs.rfc3986.Uri;
import org.dmfs.rfc3986.encoding.Special;


/**
 * Adapter to adapt a {@link Uri} to a {@link CharSequence}.
 *
 * @author Marten Gajda
 */
public final class Text implements CharSequence
{
    private final Uri mUri;
    private String mString;


    public Text(Uri uri)
    {
        mUri = uri;
    }


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


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


    @Override
    public CharSequence subSequence(int i, int i1)
    {
        return toString().subSequence(i, i1);
    }


    @Override
    public String toString()
    {
        if (mString == null)
        {
            StringBuilder stringBuilder = new StringBuilder(128);
            if (mUri.scheme().isPresent())
            {
                stringBuilder.append(mUri.scheme().value(Special.EMPTY).toString());
                stringBuilder.append(':');
            }
            if (mUri.authority() != null)
            {
                stringBuilder.append("//");
                Authority authority = mUri.authority();
                if (authority.userinfo() != null)
                {
                    stringBuilder.append(authority.userinfo());
                    stringBuilder.append('@');
                }
                stringBuilder.append(authority.host());
                if (authority.port() >= 0)
                {
                    stringBuilder.append(':');
                    stringBuilder.append(Integer.valueOf(authority.port()));
                }
            }
            stringBuilder.append(new org.dmfs.rfc3986.paths.Text(mUri.path()));
            Query query = mUri.query();
            if (query.isPresent())
            {
                stringBuilder.append('?');
                stringBuilder.append(query.value(Special.EMPTY));
            }
            Fragment fragment = mUri.fragment();
            if (fragment.isPresent())
            {
                stringBuilder.append('#');
                stringBuilder.append(fragment.value(Special.EMPTY));
            }
            mString = stringBuilder.toString();
        }
        return mString;
    }
}