TrivialCharSequence.java

/*
 * #%L
 * Nazgul Project: nazgul-core-xmlbinding-spi-jaxb
 * %%
 * Copyright (C) 2010 - 2017 jGuru Europe AB
 * %%
 * Licensed under the jGuru Europe AB license (the "License"), based
 * on Apache License, Version 2.0; you may not use this file except
 * in compliance with the License.
 *
 * You may obtain a copy of the License at
 *
 *      http://www.jguru.se/licenses/jguruCorporateSourceLicense-2.0.txt
 *
 * 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.
 * #L%
 *
 */
package se.jguru.nazgul.core.xmlbinding.spi.jaxb.transport.type.helper;

/**
 * @author <a href="mailto:lj@jguru.se">Lennart Jörelid</a>, jGuru Europe AB
 */
public class TrivialCharSequence implements CharSequence {

    // Internal state
    private StringBuffer buffer;

    public TrivialCharSequence(final StringBuffer buffer) {
        this.buffer = buffer;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int length() {
        return buffer.length();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public char charAt(final int index) {
        return buffer.charAt(index);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public CharSequence subSequence(int start, int end) {
        return buffer.subSequence(start, end);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String toString() {
        return buffer.toString();
    }
}