com.ly.invoker.builder.template.Template Maven / Gradle / Ivy

Go to download
package com.ly.invoker.builder.template;

import com.ly.invoker.builder.constant.ChainType;

public class Template {
    protected StringBuilder structure = new StringBuilder();

    protected boolean lock = false;

    public static Template from(String description) {
        Template template = new Template();
        template.structure.append(description);
        return template;
    }


    public Template name() {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        structure.append(ChainType.NAME_ROUTER.getValue());
        return this;
    }


    public Template version() {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        structure.append(ChainType.VERSION_ROUTER.getValue());
        return this;
    }


    public Template handler() {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        structure.append(ChainType.HANDLER.getValue());
        return this;
    }


    public Template next(Template template, int n) {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        lock = true;
        template = template.clone();
        if (n > 0) {
            for (int i = 0; i < n; i++) {
                structure.append(ChainType.LP.getValue())
                         .append(template.structure())
                         .append(ChainType.RP.getValue());
            }
        } else {
            structure.append(ChainType.LP.getValue())
                     .append(template.structure())
                     .append(ChainType.RP.getValue())
                     .append(ChainType.INFINITE.getValue());
        }
        return this;
    }

    public Template name(int n) {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        if (n > 0) {
            for (int i = 0; i < n; i++) {
                structure.append(ChainType.NAME_ROUTER.getValue());
            }
        } else {
            structure.append(ChainType.NAME_ROUTER.getValue()).append(ChainType.INFINITE.getValue());
        }
        return this;
    }


    public Template version(int n) {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        if (n > 0) {
            for (int i = 0; i < n; i++) {
                structure.append(ChainType.VERSION_ROUTER.getValue());
            }
        } else {
            structure.append(ChainType.VERSION_ROUTER.getValue()).append(ChainType.INFINITE.getValue());
        }
        return this;
    }


    public Template handler(int n) {
        if (lock) {
            throw new RuntimeException("已生成的模板不可修改");
        }
        if (n > 0) {
            for (int i = 0; i < n; i++) {
                structure.append(ChainType.HANDLER.getValue());
            }
        } else {
            structure.append(ChainType.HANDLER.getValue()).append(ChainType.INFINITE.getValue());
        }
        return this;
    }


    public StringBuilder structure() {
        return structure;
    }


    public Template clear() {
        structure = new StringBuilder();
        lock = false;
        return this;
    }


    public Template clone() {
        Template template = new Template();
        template.structure.append(structure);
        return template;
    }
}