org.outerj.daisy.diff.tag.TextAtom Maven / Gradle / Ivy
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A Java library to compare text files.
Forked from http://DaisyDiff.github.io
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/*
* Copyright 2007 Guy Van den Broeck
*
* 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.outerj.daisy.diff.tag;
/**
* An Atom that represents a piece of ordinary text.
*/
public class TextAtom implements Atom {
private String s;
public TextAtom(String s) {
if (!isValidAtom(s))
throw new IllegalArgumentException(
"The given String is not a valid Text Atom");
this.s = s;
}
public String getFullText() {
return s;
}
public String getIdentifier() {
return s;
}
public String getInternalIdentifiers() {
throw new IllegalStateException("This Atom has no internal identifiers");
}
public boolean hasInternalIdentifiers() {
return false;
}
public boolean isValidAtom(String s) {
return s != null && s.length() > 0;
}
@Override
public String toString() {
return "TextAtom: " + getFullText();
}
public boolean equalsIdentifier(Atom other) {
return other.getIdentifier().equals(getIdentifier());
}
}