Analyze the principles and architecture of@Polymer/Iron Icon framework in the Java class library

@Polymer/Iron Icon framework is a Java class library for using vector icons in web applications.It is based on the Polymer platform and provides a simple and flexible way to add a vector icon to your application. @Polymer/Iron icon's architecture is mainly composed of the following key components: 1. Core component:@Polymer/Iron Icon contains the core component Iron-ICon, which is the main component of the vector icon display.You can select and display the predefined icon by using this component, or provide a URL of a custom icon. 2. icon collection:@Polymer/Iron Icon support to create and use icon collection through Iron-ICONSET-SVG components.The icon collection is a set of a set of preset icons, which can reference the icons by using an Iron-ICON component. 3. Style:@Polymer/Iron Icon control by using CSS for icons.It provides some predetermined CSS classes, and you can use these classes to change the size, color, position and other style attributes of the icon. When using @Polymer/Iron Icon framework, you need to configure and use according to the following steps: 1. Installation and import: First, you need to add @Polymer/Iron Icon library to your Java project.You can use Maven and other construction tools to add dependencies.Then, import the required libraries and components in your code. 2. Configure Iron-ICONSET-SVG: If you want to use an icon collection, you need to create a SVG file that contains the required icons.Use Iron-ICONSET-SVG components to import this SVG file into your code and define a unique ID for each icon. 3. Use Iron-ICon: Next, you can use the Iron-ICon component in your code to quote and display the icon you want.Use the icon property to specify the name or url of the icon, and set the style of the class property. The following is a simple example code that demonstrates how to use @Polymer/Iron Icon framework in Java: import com.vaadin.flow.component.icon.Icon; import com.vaadin.flow.component.iron.IconSet; import com.vaadin.flow.component.iron.IconsetSvg; import com.vaadin.flow.router.Route; @Route("icon-demo") public class IconDemoView extends Div { public IconDemoView() { // Create an icon collection IconSet iconSet = new IconSet("my-iconset", "icons/my-icons.svg"); // Create an icon Icon icon = new Icon(iconSet.createIcon("my-icon")); // Set style icon.setSize("24px"); icon.setColor("red"); // Add icon to page add(icon); } } In the above example, we first created an icon set, then used the collection to create a icon, and set some style attributes.Finally, add the icon to the page. By using the @Polymer/Iron Icon framework, you can easily use a vector icon in your Java application and configure and customize it as needed.It provides rich functions and flexible style control, allowing you to create a web application with a good user experience.