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_Bastler
2021-10-03 17:07:01 +02:00
commit 456332f24e
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i18n/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>de.bstly.we</groupId>
<artifactId>webstly-main</artifactId>
<version>${revision}</version>
</parent>
<name>i18n</name>
<artifactId>webstly-i18n</artifactId>
<dependencies>
<dependency>
<groupId>de.bstly.we</groupId>
<artifactId>webstly-core</artifactId>
<version>${revision}</version>
</dependency>
</dependencies>
</project>
i18n/src/main/java/de/bstly/we/i18n/businesslogic/I18nManager.java
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/**
*
*/
package de.bstly.we.i18n.businesslogic;
import java.util.List;
import java.util.Map.Entry;
import java.util.stream.Collectors;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import de.bstly.we.i18n.model.I18n;
import de.bstly.we.i18n.repository.I18nRepository;
/**
* @author _bastler@bstly.de
*
*/
@Component
public class I18nManager {
@Autowired
private I18nRepository i18nRepository;
private Gson gson = new Gson();
/**
*
* @param locale
* @return
*/
public I18n get(String locale) {
return i18nRepository.findById(locale).orElse(null);
}
/**
*
* @param locale
* @return
*/
public JsonObject getLabel(String locale) {
I18n i18n = get(locale);
if (i18n != null && StringUtils.hasText(i18n.getLabel())) {
JsonElement element = JsonParser.parseString(i18n.getLabel());
if (element != null && element.isJsonObject()) {
return element.getAsJsonObject();
}
}
return null;
}
/**
*
* @return
*/
public List<String> getLocales() {
return i18nRepository.findAll().stream().map(I18n::getLocale).collect(Collectors.toList());
}
/**
*
* @param dest
* @param src
*/
protected void extendJsonObject(JsonObject dest, JsonObject src) {
for (Entry<String, JsonElement> srcEntry : src.entrySet()) {
String srcKey = srcEntry.getKey();
JsonElement srcValue = srcEntry.getValue();
if (dest.has(srcKey)) {
JsonElement destValue = dest.get(srcKey);
if (destValue.isJsonObject() && srcValue.isJsonObject()) {
extendJsonObject(destValue.getAsJsonObject(), srcValue.getAsJsonObject());
} else {
dest.add(srcKey, srcValue);
}
} else {
dest.add(srcKey, srcValue);
}
}
}
/**
*
* @param locale
* @param newLabel
* @return
*/
public I18n addLabel(String locale, JsonObject newLabel) {
JsonObject label = getLabel(locale);
if (label == null || label.size() == 0 || label.entrySet().isEmpty()) {
label = newLabel;
} else {
extendJsonObject(label, newLabel);
}
I18n i18n = new I18n();
i18n.setLocale(locale);
i18n.setLabel(gson.toJson(label));
return i18nRepository.save(i18n);
}
/**
*
* @param locale
* @param label
* @return
*/
public I18n setLabel(String locale, JsonObject label) {
I18n i18n = new I18n();
i18n.setLocale(locale);
i18n.setLabel(gson.toJson(label));
return i18nRepository.save(i18n);
}
/**
*
* @param locale
*/
public void deleteLabel(String locale) {
if (i18nRepository.existsById(locale)) {
i18nRepository.deleteById(locale);
}
}
}
i18n/src/main/java/de/bstly/we/i18n/controller/I18nController.java
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/**
*
*/
package de.bstly.we.i18n.controller;
import java.io.IOException;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonIOException;
import com.google.gson.JsonObject;
import de.bstly.we.controller.BaseController;
import de.bstly.we.i18n.businesslogic.I18nManager;
/**
* @author _bastler@bstly.de
*
*/
@RestController
@RequestMapping("/i18n")
public class I18nController extends BaseController {
@Autowired
private I18nManager i18nManager;
private Gson gson = new Gson();
/**
*
* @return
*/
@GetMapping
public List<String> getLocales() {
return i18nManager.getLocales();
}
/**
*
* @param locale
* @param response
* @throws JsonIOException
* @throws IOException
*/
@GetMapping("/{locale}")
public void getLabel(@PathVariable("locale") String locale, HttpServletResponse response)
throws JsonIOException, IOException {
JsonObject label = i18nManager.getLabel(locale);
if (label != null) {
response.setCharacterEncoding("utf-8");
gson.toJson(label, response.getWriter());
}
}
/**
*
* @param locale
* @param label
*/
@PreAuthorize("hasRole('ROLE_ADMIN')")
@PostMapping("/{locale}")
public void setLabel(@PathVariable("locale") String locale, @RequestBody Object label) {
JsonElement element = gson.toJsonTree(label);
if (element != null && element.isJsonObject()) {
i18nManager.setLabel(locale, element.getAsJsonObject());
}
}
/**
*
* @param locale
* @param label
*/
@PreAuthorize("hasRole('ROLE_ADMIN')")
@PutMapping("/{locale}")
public void addLabel(@PathVariable("locale") String locale, @RequestBody Object label) {
JsonElement element = gson.toJsonTree(label);
if (element != null && element.isJsonObject()) {
i18nManager.addLabel(locale, element.getAsJsonObject());
}
}
/**
*
* @param locale
*/
@PreAuthorize("hasRole('ROLE_ADMIN')")
@DeleteMapping("/{locale}")
public void deleteLocale(@PathVariable("locale") String locale) {
i18nManager.deleteLabel(locale);
}
}
i18n/src/main/java/de/bstly/we/i18n/model/I18n.java
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/**
*
*/
package de.bstly.we.i18n.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
/**
*
* @author _bastler@bstly.de
*
*/
@Entity
@Table(name = "i18n", uniqueConstraints = @UniqueConstraint(columnNames = { "locale" }))
public class I18n {
/**
*
*/
@Id
@Column(name = "locale", unique = true, nullable = false)
private String locale;
/**
*
*/
@Lob
@Column(name = "label")
private String label;
/**
* @return the locale
*/
public String getLocale() {
return locale;
}
/**
* @param locale the locale to set
*/
public void setLocale(String locale) {
this.locale = locale;
}
/**
* @return the label
*/
public String getLabel() {
return label;
}
/**
* @param label the label to set
*/
public void setLabel(String label) {
this.label = label;
}
}
i18n/src/main/java/de/bstly/we/i18n/repository/I18nRepository.java
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/**
*
*/
package de.bstly.we.i18n.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.querydsl.QuerydslPredicateExecutor;
import org.springframework.stereotype.Repository;
import de.bstly.we.i18n.model.I18n;
/**
*
* @author _bastler@bstly.de
*
*/
@Repository
public interface I18nRepository
extends JpaRepository<I18n, String>, QuerydslPredicateExecutor<I18n> {
}