/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.core.commons.util;
import java.util.Date;
import org.apache.isis.core.commons.lang.DateExtensions;
import org.apache.isis.core.commons.lang.ObjectExtensions;
public final class ToString {
public static ToString createAnonymous(final Object object) {
final ToString string = new ToString();
string.append(ObjectExtensions.classBaseName(object));
string.append('[');
return string;
}
// //////////////////////////////////////
private boolean addComma = false;
private final StringBuilder buf;
private boolean useLineBreaks;
private ToString() {
buf = new StringBuilder();
}
public ToString(final Object forObject) {
buf = new StringBuilder();
ObjectExtensions.appendToString(forObject, buf);
buf.append('[');
}
public ToString(final Object forObject, final int id) {
buf = new StringBuilder();
buf.append(ObjectExtensions.classBaseName(forObject));
buf.append('#');
buf.append(id);
buf.append('[');
}
public ToString(final Object forObject, final String text) {
this(forObject);
buf.append(text);
addComma = text.length() > 0;
}
// //////////////////////////////////////
public ToString append(final char c) {
buf.append(c);
return this;
}
public ToString append(final String text) {
buf.append(text);
return this;
}
public ToString append(final String name, final boolean flag) {
append(name, flag ? "true" : "false");
return this;
}
public ToString append(final String name, final byte number) {
append(name, Byte.toString(number));
return this;
}
public ToString append(final String name, final double number) {
append(name, Double.toString(number));
return this;
}
public ToString append(final String name, final float number) {
append(name, Float.toString(number));
return this;
}
public ToString append(final String name, final int number) {
append(name, Integer.toString(number));
return this;
}
public ToString append(final String name, final long number) {
append(name, Long.toString(number));
return this;
}
public ToString append(final String name, final Object object) {
append(name, object == null ? "null" : object.toString());
return this;
}
public ToString append(final String name, final short number) {
append(name, Short.toString(number));
return this;
}
public ToString append(final String name, final String string) {
if (addComma) {
this.buf.append(',');
if (useLineBreaks) {
this.buf.append("\n\t");
}
} else {
addComma = true;
}
this.buf.append(name);
this.buf.append('=');
this.buf.append(string);
return this;
}
public ToString appendAsHex(final String name, final long number) {
append(name, "#" + Long.toHexString(number));
return this;
}
public void appendAsTimestamp(final String name, final Date date) {
final String dateString = DateExtensions.asTimestamp(date);
append(name, dateString);
}
public void appendTruncated(final String name, final String string, final int maxLength) {
if (string.length() > maxLength) {
append(name, string.substring(0, maxLength));
append("...");
} else {
append(name, string);
}
}
public void setAddComma() {
this.addComma = true;
}
public void setUseLineBreaks(final boolean useLineBreaks) {
this.useLineBreaks = useLineBreaks;
}
// //////////////////////////////////////
@Override
public String toString() {
buf.append(']');
return buf.toString();
}
}