com.blazebit.persistence.impl.function.replace.ReplaceFunction Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* 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 com.blazebit.persistence.impl.function.replace;
import com.blazebit.persistence.spi.FunctionRenderContext;
import com.blazebit.persistence.spi.JpqlFunction;
/**
* @author Christian Beikov
* @since 1.5.0
*/
public class ReplaceFunction implements JpqlFunction {
public static final String FUNCTION_NAME = "replace";
@Override
public boolean hasArguments() {
return true;
}
@Override
public boolean hasParenthesesIfNoArguments() {
return true;
}
@Override
public Class getReturnType(Class firstArgumentType) {
return String.class;
}
@Override
public void render(FunctionRenderContext context) {
if (context.getArgumentsSize() != 3) {
throw new RuntimeException("The replace function needs exactly three arguments , and ! args=" + context);
}
context.addChunk(getReplaceString(context.getArgument(0), context.getArgument(1), context.getArgument(2)));
}
public String getReplaceString(String argument, String search, String replace) {
return "replace(" + argument + "," + search + "," + replace + ")";
}
}