/*
* Copyright 2013 serso aka se.solovyev
*
* 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.
*
* ---------------------------------------------------------------------
* Contact details
*
* Email: se.solovyev@gmail.com
* Site: http://se.solovyev.org
*/
package org.solovyev.common.msg;
import org.solovyev.common.text.Strings;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.*;
public abstract class AbstractMessage implements Message {
@Nonnull
private final String messageCode;
@Nonnull
private final List<Object> parameters;
@Nonnull
private final MessageLevel messageLevel;
protected AbstractMessage(@Nonnull String messageCode, @Nonnull MessageLevel messageType, @Nullable Object... parameters) {
this(messageCode, messageType, parameters == null ? Collections.emptyList() : Arrays.asList(parameters));
}
protected AbstractMessage(@Nonnull String messageCode, @Nonnull MessageLevel messageType, @Nonnull List<?> parameters) {
this.messageCode = messageCode;
this.parameters = new ArrayList<>(parameters);
this.messageLevel = messageType;
}
@Override
@Nonnull
public String getMessageCode() {
return this.messageCode;
}
@Nonnull
@Override
public List<Object> getParameters() {
return java.util.Collections.unmodifiableList(this.parameters);
}
@Nonnull
@Override
public MessageLevel getMessageLevel() {
return this.messageLevel;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final AbstractMessage that = (AbstractMessage) o;
if (!areEqual(parameters, that.parameters)) {
return false;
}
if (!messageCode.equals(that.messageCode)) {
return false;
}
if (!messageLevel.equals(that.messageLevel)) {
return false;
}
return true;
}
private boolean areEqual(@Nonnull List<Object> thisList, @Nonnull List<Object> thatList) {
if (thisList.size() != thatList.size()) {
return false;
}
for (int i = 0; i < thisList.size(); i++) {
final Object thisItem = thisList.get(i);
final Object thatItem = thatList.get(i);
if (!thisItem.equals(thatItem)) {
return false;
}
}
return true;
}
@Override
public int hashCode() {
return com.google.common.base.Objects.hashCode(messageCode, messageLevel, parameters);
}
/**
* Method converts message to string setting passed message parameters and translating some of them.
*
* @param locale language to which parameters should be translated (if possible)
* @return message as string with properly translated and set parameters
*/
@Nonnull
public String getLocalizedMessage(@Nonnull Locale locale) {
return makeMessage(locale, getMessagePattern(locale), parameters, messageLevel);
}
@Nonnull
public static String makeMessage(@Nonnull Locale locale, @Nullable String format, @Nonnull List<?> parameters, @Nonnull MessageLevel messageLevel) {
if (!Strings.isEmpty(format)) {
return Messages.prepareMessage(locale, format, parameters);
}
return messageLevel.getName() + ": message code = " + format;
}
@Nonnull
@Override
public String getLocalizedMessage() {
return this.getLocalizedMessage(Locale.getDefault());
}
@Nullable
protected abstract String getMessagePattern(@Nonnull Locale locale);
}