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A library for core classes (Graph, Vertex, Edge, etc.)

There is a newer version: 2.11.0

package io.konig.core.impl;

/*
 * #%L
 * konig-core
 * %%
 * Copyright (C) 2015 Gregory McFall
 * %%
 * 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.
 * #L%
 */


import io.konig.core.IriRewriter;

public class BaseIriRewriter implements IriRewriter {
	
	private String fromBaseIRI;
	private String toBaseIRI;

	public BaseIriRewriter(String fromBaseIRI, String toBaseIRI) {
		this.fromBaseIRI = fromBaseIRI;
		this.toBaseIRI = toBaseIRI;
	}


	@Override
	public String rewrite(String iri) {
		if (iri.startsWith(fromBaseIRI)) {
			String tail = iri.substring(fromBaseIRI.length());
			StringBuilder builder = new StringBuilder(toBaseIRI.length() + tail.length());
			builder.append(toBaseIRI);
			builder.append(tail);
			iri = builder.toString();
		}
		return iri;
	}

}