com.oracle.svm.configure.json.JsonPrinter Maven / Gradle / Ivy
/*
* Copyright (c) 2019, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.oracle.svm.configure.json;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.List;
public interface JsonPrinter {
void print(T t, JsonWriter writer) throws IOException;
static void printCollection(JsonWriter writer, Collection collection, Comparator comparator, JsonPrinter elementPrinter) throws IOException {
writer.append('[');
writer.indent();
String prefix = "";
Collection ordered = collection;
if (comparator != null) {
ordered = new ArrayList<>(collection);
((List) ordered).sort(comparator);
}
for (T t : ordered) {
writer.append(prefix);
if (collection.size() > 1) {
writer.newline();
}
elementPrinter.print(t, writer);
prefix = ", ";
}
writer.unindent();
if (collection.size() > 1) {
writer.newline();
}
writer.append("]");
}
}