com.mntviews.jreport.JRTemplateSourceFile Maven / Gradle / Ivy

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JasperReport server engine
There is a newer version: 1.2.2
package com.mntviews.jreport;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
import com.mntviews.jreport.exception.JRTemplateException;

import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Connection;

import static com.mntviews.jreport.JRContext.checkIfNullThenDefault;

@JsonDeserialize(builder = JRTemplateSourceFile.Builder.class)
public class JRTemplateSourceFile extends JRTemplateSource {
    @JsonProperty("name")
    private final String name;
    @JsonProperty("path")
    private final String path;

    public static Builder custom() {
        return new Builder();
    }

    public String getName() {
        return name;
    }

    public String getPath() {
        return path;
    }

    private JRTemplateSourceFile(Builder builder) {
        JRTemplateSourceFile jrTemplateSourceFile = JRContext.findProfile().getJrTemplateSourceFile();
        this.name = checkIfNullThenDefault(builder.name, jrTemplateSourceFile == null ? null : jrTemplateSourceFile.getName());
        this.path = builder.path;

        if (jrTemplateSourceFile != null) {
            if (this.name == null)
                throw new JRTemplateException("'name' is not defined");
        }
    }

    @Override
    InputStream load(JRTemplateCommon jrTemplateCommon) {

        try {
            String pathLocal;
            /* It's better to get common path from Package first before default profile */
            if (this.path == null) {
                if (jrTemplateCommon.getPath() == null) {
                    JRTemplateSourceFile jrTemplateSourceFile = JRContext.findProfile().getJrTemplateSourceFile();
                    pathLocal = jrTemplateSourceFile.getPath();
                } else
                    pathLocal = jrTemplateCommon.getPath();
            } else
                pathLocal = this.path;
            Path pathToTemplate = Paths.get(pathLocal + (pathLocal == null || pathLocal.equals("") ? "" : '/') + name);
            return Files.newInputStream(pathToTemplate);
        } catch (Exception e) {
            throw new JRTemplateException(e);
        }
    }

    @JsonPOJOBuilder
    public static class Builder {
        @JsonProperty("name")
        private String name;
        @JsonProperty("path")
        private String path;

        public Builder withName(String name) {
            this.name = name;
            return this;
        }

        public Builder withPath(String path) {
            this.path = path;
            return this;
        }

        public JRTemplateSourceFile build() {
            return new JRTemplateSourceFile(this);
        }
    }


}