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Convert Gson integration to compile-only source set (#1510)
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92 changes: 92 additions & 0 deletions
92
lib/src/gson/java/com/diffplug/spotless/glue/gson/GsonFormatterFunc.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| * Copyright 2023 DiffPlug | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.diffplug.spotless.glue.gson; | ||
|
|
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| import java.io.IOException; | ||
| import java.io.StringWriter; | ||
| import java.util.Collections; | ||
|
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| import com.google.gson.Gson; | ||
| import com.google.gson.GsonBuilder; | ||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonObject; | ||
| import com.google.gson.stream.JsonWriter; | ||
|
|
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| import com.diffplug.spotless.FormatterFunc; | ||
| import com.diffplug.spotless.ThrowingEx; | ||
| import com.diffplug.spotless.json.gson.GsonConfig; | ||
|
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| public class GsonFormatterFunc implements FormatterFunc { | ||
|
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| private static final String FAILED_TO_PARSE_ERROR_MESSAGE = "Unable to format JSON"; | ||
|
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| private final Gson gson; | ||
| private final GsonConfig gsonConfig; | ||
| private final String generatedIndent; | ||
|
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| public GsonFormatterFunc(GsonConfig gsonConfig) { | ||
| GsonBuilder gsonBuilder = new GsonBuilder().serializeNulls(); | ||
| if (!gsonConfig.isEscapeHtml()) { | ||
| gsonBuilder = gsonBuilder.disableHtmlEscaping(); | ||
| } | ||
| this.gson = gsonBuilder.create(); | ||
| this.gsonConfig = gsonConfig; | ||
| this.generatedIndent = generateIndent(gsonConfig.getIndentSpaces()); | ||
| } | ||
|
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| @Override | ||
| public String apply(String inputString) { | ||
| String result; | ||
| if (inputString.isEmpty()) { | ||
| result = ""; | ||
| } else { | ||
| JsonElement jsonElement = gson.fromJson(inputString, JsonElement.class); | ||
| if (jsonElement == null) { | ||
| throw new AssertionError(FAILED_TO_PARSE_ERROR_MESSAGE); | ||
| } | ||
| if (gsonConfig.isSortByKeys() && jsonElement.isJsonObject()) { | ||
| jsonElement = sortByKeys(jsonElement.getAsJsonObject()); | ||
| } | ||
| try (StringWriter stringWriter = new StringWriter()) { | ||
| JsonWriter jsonWriter = new JsonWriter(stringWriter); | ||
| jsonWriter.setIndent(this.generatedIndent); | ||
| gson.toJson(jsonElement, jsonWriter); | ||
| result = stringWriter + "\n"; | ||
| } catch (IOException ioException) { | ||
| throw ThrowingEx.asRuntime(ioException); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
|
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| private JsonElement sortByKeys(JsonObject jsonObject) { | ||
| JsonObject result = new JsonObject(); | ||
| jsonObject.keySet().stream().sorted() | ||
| .forEach(key -> { | ||
| JsonElement element = jsonObject.get(key); | ||
| if (element.isJsonObject()) { | ||
| element = sortByKeys(element.getAsJsonObject()); | ||
| } | ||
| result.add(key, element); | ||
| }); | ||
| return result; | ||
| } | ||
|
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| private String generateIndent(int indentSpaces) { | ||
| return String.join("", Collections.nCopies(indentSpaces, " ")); | ||
| } | ||
|
|
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| } |
54 changes: 0 additions & 54 deletions
54
lib/src/main/java/com/diffplug/spotless/json/gson/GsonBuilderWrapper.java
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66 changes: 66 additions & 0 deletions
66
lib/src/main/java/com/diffplug/spotless/json/gson/GsonConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * Copyright 2023 DiffPlug | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.diffplug.spotless.json.gson; | ||
|
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| import java.io.Serializable; | ||
|
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| public class GsonConfig implements Serializable { | ||
| private static final long serialVersionUID = 6039715618937332633L; | ||
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| private boolean sortByKeys; | ||
| private boolean escapeHtml; | ||
| private int indentSpaces; | ||
| private String version; | ||
|
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| public GsonConfig(boolean sortByKeys, boolean escapeHtml, int indentSpaces, String version) { | ||
| this.sortByKeys = sortByKeys; | ||
| this.escapeHtml = escapeHtml; | ||
| this.indentSpaces = indentSpaces; | ||
| this.version = version; | ||
| } | ||
|
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| public boolean isSortByKeys() { | ||
| return sortByKeys; | ||
| } | ||
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| public void setSortByKeys(boolean sortByKeys) { | ||
| this.sortByKeys = sortByKeys; | ||
| } | ||
|
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| public boolean isEscapeHtml() { | ||
| return escapeHtml; | ||
| } | ||
|
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| public void setEscapeHtml(boolean escapeHtml) { | ||
| this.escapeHtml = escapeHtml; | ||
| } | ||
|
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| public int getIndentSpaces() { | ||
| return indentSpaces; | ||
| } | ||
|
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| public void setIndentSpaces(int indentSpaces) { | ||
| this.indentSpaces = indentSpaces; | ||
| } | ||
|
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| public String getVersion() { | ||
| return version; | ||
| } | ||
|
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| public void setVersion(String version) { | ||
| this.version = version; | ||
| } | ||
| } |
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41 changes: 0 additions & 41 deletions
41
lib/src/main/java/com/diffplug/spotless/json/gson/GsonWrapper.java
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