LintCommand.java

// Copyright 2013 Michel Kraemer
//
// 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 de.undercouch.citeproc.tool;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;

import de.undercouch.citeproc.lint.DefaultLinter;
import de.undercouch.citeproc.lint.LintErrorEvent;
import de.undercouch.citeproc.lint.LintListenerAdapter;
import de.undercouch.citeproc.lint.Linter;
import de.undercouch.underline.InputReader;

/**
 * CLI command that validates citation entries in an input file
 * @author Michel Kraemer
 * @since 1.1.0
 */
public class LintCommand extends CitationIdsCommand {
	@Override
	public String getUsageName() {
		return "lint";
	}
	
	@Override
	public String getUsageDescription() {
		return "Validate citation items";
	}
	
	@Override
	public int doRun(String[] remainingArgs, InputReader in, PrintWriter out)
			throws IOException {
		int ret = super.doRun(remainingArgs, in, out);
		if (ret != 0) {
			return ret;
		}
		
		Set<String> citationItemIdsToProcess = new HashSet<>(getCitationIds());
		
		Linter linter = new DefaultLinter();
		linter.addFilter(citationItemIdsToProcess::contains);
		
		AtomicBoolean ok = new AtomicBoolean(true);
		linter.addListener(new LintListenerAdapter() {
			@Override
			public void onError(LintErrorEvent e) {
				ok.set(false);
				error(e.getMessage());
			}
		});
		
		linter.lint(getProvider());
		
		return ok.get() ? 0 : 1;
	}
}