/*
* Copyright 2014 the original author or authors.
*
* 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 org.gradle.model.internal.report.unbound;
import com.google.common.base.Joiner;
import net.jcip.annotations.NotThreadSafe;
import java.io.PrintWriter;
@NotThreadSafe
public class UnboundRulesReporter {
private final PrintWriter writer;
private final String prefix;
private final static String INDENT = " ";
public UnboundRulesReporter(PrintWriter writer, String prefix) {
this.writer = writer;
this.prefix = prefix;
}
public void reportOn(Iterable<? extends UnboundRule> rules) {
for (UnboundRule rule : rules) {
writer.print(prefix);
writer.println(rule.getDescriptor());
if (rule.getMutableInputs().size() > 0) {
heading("subject:");
reportInputs(rule.getMutableInputs());
}
if (rule.getImmutableInputs().size() > 0) {
heading("inputs:");
reportInputs(rule.getImmutableInputs());
}
writer.println();
}
writer.println("[*] - indicates that a model item could not be found for the path or type.");
}
private void reportInputs(Iterable<? extends UnboundRuleInput> inputs) {
for (UnboundRuleInput input : inputs) {
writer.print(indent(2));
writer.write("- ");
writer.write(input.getPath() == null ? "<no path>" : input.getPath());
writer.write(" ");
writer.write(input.getType() == null ? "<untyped>" : input.getType());
if (input.getDescription() != null) {
writer.write(" ");
writer.write("(");
writer.write(input.getDescription());
writer.write(")");
}
if (!input.isBound()) {
writer.write(" ");
writer.write("[*]");
}
writer.println();
if (input.getPath() == null && input.getScope() != null) {
writer.write(indent(4));
writer.write("scope: ");
writer.println(input.getScope());
}
if (input.getSuggestedPaths().size() > 0) {
writer.write(indent(4));
writer.write("suggestions: ");
writer.println(Joiner.on(", ").join(input.getSuggestedPaths()));
}
}
}
private void heading(String heading) {
writer.print(indent(1));
writer.println(heading);
}
private String indent(int times) {
StringBuffer buff = new StringBuffer(prefix);
for (int i = 0; i < times; i++) {
buff.append(INDENT);
}
return buff.toString();
}
}