com.shopify.graphql.support.Arguments Maven / Gradle / Ivy
/**
* Copyright 2015 Shopify
*
* 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 NONINFRINGEMENT. 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 com.shopify.graphql.support;
import java.util.HashSet;
import java.util.Set;
/**
* Created by dylansmith on 2015-11-20.
*/
public abstract class Arguments {
private final StringBuilder query;
private final Set arguments = new HashSet<>();
private boolean firstArgument;
protected Arguments(StringBuilder query, boolean firstArgument) {
this.query = query;
this.firstArgument = firstArgument;
}
public static void end(Arguments arguments) {
if (!arguments.firstArgument) {
arguments.query.append(')');
}
}
protected void startArgument(String name) {
if (!arguments.add(name)) {
throw new RuntimeException("Already specified argument " + name);
}
if (firstArgument) {
firstArgument = false;
query.append('(');
} else {
query.append(',');
}
query.append(name);
query.append(':');
}
}