/*
* Copyright (C) 2008 Google Inc.
*
* 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.google.gxp.compiler.alerts;
import com.google.common.base.Preconditions;
import com.google.gxp.compiler.io.RuntimeIOException;
import java.io.IOException;
/**
* An {@link AlertSink} that prints errors to an {@link Appendable}.
*/
public class PrintingAlertSink implements AlertSink {
private final AlertPolicy alertPolicy;
private final boolean verboseEnabled;
private final Appendable out;
public PrintingAlertSink(AlertPolicy alertPolicy, boolean verboseEnabled, Appendable out) {
this.alertPolicy = Preconditions.checkNotNull(alertPolicy);
this.verboseEnabled = verboseEnabled;
this.out = Preconditions.checkNotNull(out);
}
public void add(Alert alert) {
try {
if (verboseEnabled || alertPolicy.getSeverity(alert) != Alert.Severity.INFO) {
out.append(alert.toString()).append("\n");
}
} catch (IOException e) {
throw new RuntimeIOException(e);
}
}
public void addAll(AlertSet alertSet) {
for (Alert alert : alertSet) {
add(alert);
}
}
}