org.cactoos.text.StartsWith Maven / Gradle / Ivy
/*
* The MIT License (MIT)
*
* Copyright (c) 2017-2022 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.cactoos.text;
import org.cactoos.Scalar;
import org.cactoos.Text;
/**
* Determines if text starts with a given prefix.
*
* There is no thread-safety guarantee.
*
* @since 0.44
*/
public final class StartsWith implements Scalar {
/**
* The text.
*/
private final Text text;
/**
* The prefix.
*/
private final Text prefix;
/**
* Ctor.
*
* @param text The text
* @param prefix The prefix
*/
public StartsWith(final Text text, final Text prefix) {
this.text = text;
this.prefix = prefix;
}
/**
* Ctor.
*
* @param text The text
* @param prefix The prefix
*/
public StartsWith(final CharSequence text, final CharSequence prefix) {
this(new TextOf(text), new TextOf(prefix));
}
@Override
public Boolean value() throws Exception {
return this.text.asString().startsWith(this.prefix.asString());
}
}