com.d3x.morpheus.viz.js.JsCode Maven / Gradle / Ivy
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/*
* Copyright (C) 2014-2018 D3X Systems - All Rights Reserved
*
* 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.d3x.morpheus.viz.js;
import java.util.function.Consumer;
/**
* A class that provides a basic API to programmatically generate simple Javascript code
*
* @author Xavier Witdouck
*
* This is open source software released under the Apache 2.0 License
*/
public class JsCode {
private String indent = "";
private StringBuilder code = new StringBuilder();
/**
* Constructor
*/
public JsCode() {
super();
}
/**
* Returns a Javascript string generated by the consumer logic
* @param consumer the consumer to write Javascript programmatically
* @return the Javascript string
*/
public static String create(Consumer consumer) {
final JsCode js = new JsCode();
consumer.accept(js);
return js.toString();
}
/**
* Deletes the entire code buffer
* @return this writer
*/
public JsCode clear() {
this.code.delete(0, code.length());
return this;
}
/**
* Writes formatted code string to the output buffer
* @param code the formatted code String (see String.format() for details)
* @param args the arguments for the formatted code string
* @return this writer
*/
public JsCode write(String code, Object... args) {
this.code.append(String.format(code, args));
return this;
}
/**
* Starts a new line and indents the new line based on current indentation
* @return this code reference
*/
public JsCode newLine() {
return newLine(1);
}
/**
* Starts a new line and indents the new line based on current indentation
* @return this code reference
*/
public JsCode newLine(int count) {
for (int i=0; i consumer) {
return newObject(false, consumer);
}
public JsCode newFunction(String name, Consumer consumer) {
return newFunction(name, null, consumer);
}
public JsCode newFunction(String name, String args, Consumer consumer) {
this.newLine();
this.write("function %s(", name);
this.write(args != null ? args : "");
this.write(") {");
this.newLine();
this.indent(4);
consumer.accept(this);
this.unident(4);
this.newLine();
this.write("}");
return this;
}
/**
* Writes a new object, optionally on one line, based on the consumer
* @param inline if true, write the object definition in one line
* @param consumer the consumer with the object write instructions
* @return this writer
*/
public JsCode newObject(boolean inline, Consumer consumer) {
this.write("{");
this.indent(4);
this.newLine();
consumer.accept(new JsObject(this, inline));
this.unident(4);
this.newLine();
this.write("}");
return this;
}
/**
* Writes a new array to the code buffer based on the consumer
* @param consumer the consumer with array element instructions
* @return this writer
*/
public JsCode newArray(Consumer consumer) {
return newArray(false, consumer);
}
/**
* Writes a new array, optionally in one line, based ont he consuner specified
* @param inline if true, write the array definition in one line
* @param consumer the consumer with the array write instructions
* @return this writer
*/
public JsCode newArray(boolean inline, Consumer consumer) {
this.code.append("[");
if (!inline) {
//this.indent(4);
}
consumer.accept(new JsArray(this, inline));
if (!inline) {
//this.unident(4);
this.newLine();
this.write("]");
} else {
this.write("]");
}
return this;
}
@Override()
public String toString() {
return code.toString();
}
public static void main(String[] args) {
final JsCode code = new JsCode();
code.write("x = ");
code.newObject(object -> {
object.newAttribute("zav", "witdouck");
object.newAttribute("x", 22);
object.newAttribute("kilo", "weigth");
object.newAttribute("enabled", false);
object.newObject("test", test -> {
test.newAttribute("whatever", "again");
test.newAttribute("second", "level");
test.newArray("inline", true, a -> {
for (int i=0; i<10; ++i) {
a.append(i);
}
});
test.newArray("third", false, x -> {
x.appendObject(p -> {
p.newAttribute("AAA", 22323);
p.newAttribute("BBB", 95843);
p.newAttribute("CCC", false);
p.newAttribute("XXX", "YYYY");
});
x.appendObject(p -> {
p.newAttribute("AAA", 22323);
p.newAttribute("BBB", 95843);
p.newAttribute("CCC", false);
p.newAttribute("XXX", "YYYY");
});
x.appendObject(p -> {
p.newAttribute("AAA", 22323);
p.newAttribute("BBB", 95843);
p.newAttribute("CCC", false);
p.newAttribute("XXX", "YYYY");
});
});
});
});
System.out.println(code.toString());
}
}