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Replace ${Variable} in template

Blue-eyed Badger answered on October 2, 2023 Popularity 1/10 Helpfulness 1/10

answer Replace ${Variable} in template

Replace ${Variable} in template

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import lombok.extern.slf4j.Slf4j;
import org.apache.commons.text.StringSubstitutor;
import org.springframework.core.io.Resource;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Map;

@Slf4j
public class TemplateUtils {
    /**
     *
     * @param valuesMap Map<key, value> : key and value to replace
     * @param template  Resource
     * @return String
     * @throws IOException
     */
    public static String fillTemplate(Map<String, String> valuesMap, Resource template) throws IOException {
        return fillTemplate(valuesMap, template.getFile());
    }

    /**
     *
     * @param valuesMap Map<key, value> : key and value to replace
     * @param template File
     * @return String
     * @throws IOException
     */
    public static String fillTemplate(Map<String, String> valuesMap, File template) throws IOException {
        var byteArray = Files.readAllBytes(template.toPath());
        var contentString = new String(byteArray, StandardCharsets.UTF_8);

        return fillTemplateString(valuesMap, contentString);
    }

    /**
     *
     * @param valuesMap Map<key, value> : key and value to replace
     * @param template InputStream
     * @return String
     * @throws IOException
     */
    public static String fillTemplate(Map<String, String> valuesMap, InputStream template) throws IOException {
        var byteArray = template.readAllBytes();
        var contentString = new String(byteArray, StandardCharsets.UTF_8);

        return fillTemplateString(valuesMap, contentString);
    }

    /**
     *
     * @param valuesMap Map<key, value> : key and value to replace
     * @param contentString String
     * @return String
     */
    public static String fillTemplateString(Map<String, String> valuesMap, String contentString) {
        var sub = new StringSubstitutor(valuesMap);
        return sub.replace(contentString);
    }
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java replace

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Contributed on Oct 02 2023

Blue-eyed Badger

0 Answers Avg Quality 2/10

Replace ${Variable} in template

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