Android Open Source - Dumbledroid Class Writer

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License

The source code is released under:

Copyright (c) 2013, Leocadio Tin? All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

Java Source Code

package io.leocad.dumbledroidplugin.core;
//from   ww w.  j  av  a2  s.c  o m
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.resources.IFile;

public class ClassWriter {

  public static void appendPackageDeclaration(StringBuffer fileBuffer, IFile file) {
    fileBuffer.append("package ")
    .append(FileUtils.getPackageName(file))
    .append(";\n\n");
  }

  public static void appendImportStatements(StringBuffer fileBuffer, boolean isAbstractModel) {

    if (isAbstractModel) {
      fileBuffer.append("import io.leocad.dumbledroid.data.AbstractModel;\n")
      .append("import io.leocad.dumbledroid.data.DataType;\n\n");

    } else {
      fileBuffer.append("import java.io.Serializable;\n\n");
    }
  }

  public static void appendClassDeclaration(StringBuffer fileBuffer, IFile file, boolean isAbstractModel) {

    fileBuffer.append("public class ")
    .append(FileUtils.getFileNameWithoutExtension(file))
    .append(isAbstractModel? " extends AbstractModel": " implements Serializable")
    .append(" {\n");
  }
  
  public static void appendFieldDeclaration(StringBuffer fileBuffer, String fieldName, String fieldTypeName, boolean isPojo, StringBuffer gettersBuffer, StringBuffer settersBuffer) {
    
    fileBuffer.append("\n    ")
    .append(isPojo? "public " : "private ")
    
    .append(fieldTypeName)
    .append(" ").append(fieldName).append(";");
    
    // Buffer the accessor methods for posterior writing
    if (!isPojo) {
      
      String fieldCamelCase = uppercaseFirstChar(fieldName);
      
      gettersBuffer.append("\n    public ")
      .append(fieldTypeName)
      .append(" get").append(fieldCamelCase)
      .append("() {\n        return this.").append(fieldName).append(";\n    }\n");
      
      settersBuffer.append("\n    public void set")
      .append(fieldCamelCase)
      .append("(")
      .append(fieldTypeName)
      .append(" ")
      .append(fieldName)
      .append(") {\n        this.")
      .append(fieldName)
      .append(" = ")
      .append(fieldName)
      .append(";\n    }\n");
    }
  }

  public static void appendConstructor(StringBuffer fileBuffer, IFile file, String url, long cacheDuration, boolean isAbstractModel) {
    
    if (isAbstractModel) {
      fileBuffer.append("\n    public ")
      .append(FileUtils.getFileNameWithoutExtension(file))
      .append("() {\n        super(\"")
      .append(url)
      .append("\"");
  
      if (cacheDuration > 0) {
        fileBuffer.append(", ")
        .append(cacheDuration);
      }
  
      fileBuffer.append(");\n    }\n");
    }
  }
  
  public static void appendOverridenLoad(StringBuffer fileBuffer, String urlQueryString, boolean isAbstractModel) {

    if (isAbstractModel && urlQueryString != null) {
      
      appendImport(fileBuffer, "import android.content.Context;");
      appendImport(fileBuffer, "import java.util.List;");
      appendImport(fileBuffer, "import java.util.Vector;");
      appendImport(fileBuffer, "import org.apache.http.NameValuePair;");
      appendImport(fileBuffer, "import org.apache.http.message.BasicNameValuePair;");
      
      Map<String, String> params = queryToParams(urlQueryString);
      StringBuffer paramsAddBuffer = new StringBuffer();
      
      fileBuffer.append("\n    public void load(Context context, ");
      
      Set<String> keySet = params.keySet();
      for (String key : keySet) {
        
        String value = params.get(key);
        String type = ClassMapper.getPrimitiveTypeNameByCasting(value);
        
        fileBuffer.append(type == null? "String": type)
        .append(" ").append(key).append(", ");
        
        paramsAddBuffer.append("        params.add( new BasicNameValuePair(\"")
        .append(key).append("\", ");
        
        if (type != null) { // Primitive type
          paramsAddBuffer.append("String.valueOf(").append(key).append(")");
        } else {
          paramsAddBuffer.append(key);
        }
        
        paramsAddBuffer.append(") );\n");
      }
      // Remove last comma and space
      fileBuffer.delete(fileBuffer.length() -2, fileBuffer.length());
      
      fileBuffer.append(") throws Exception {\n\n        List<NameValuePair> params = new Vector<NameValuePair>();\n");
      fileBuffer.append(paramsAddBuffer);
      fileBuffer.append("\n        super.load(context, params);\n    }\n");
    }
  }

  public static void appendAccessorMethods(StringBuffer fileBuffer, StringBuffer gettersBuffer, StringBuffer settersBuffer) {

    fileBuffer.append(gettersBuffer)
    .append(settersBuffer);
  }

  public static void appendInheritAbstractMethods(StringBuffer fileBuffer, boolean isJson, boolean isAbstractModel) {

    if (isAbstractModel) {
      fileBuffer.append("\n    @Override\n    protected DataType getDataType() {\n        return DataType.")
      .append(isJson? "JSON": "XML")
      .append(";\n    }\n");
    }
  }

  public static void appendClassEnd(StringBuffer fileBuffer) {
    
    fileBuffer.append("}");
  }
  
  public static String uppercaseFirstChar(String fieldName) {
    
    return Character.toUpperCase(fieldName.charAt(0)) + fieldName.substring(1);
  }

  public static void appendListImport(StringBuffer fileBuffer) {
    appendImport(fileBuffer, "import java.util.List;");
  }
  
  private static void appendImport(StringBuffer fileBuffer, String importString) {
    
    if (fileBuffer.indexOf(importString) == -1) {
      
      //Find the position of the first import and put just before that.
      int importPos = fileBuffer.indexOf("import");
      
      fileBuffer.insert(importPos -1, "\n" + importString);
    }
  }

  public static String getArrayChildTypeName(String fieldName) {

    fieldName = uppercaseFirstChar(fieldName);
    
    if (fieldName.endsWith("s")) {
      return fieldName.substring(0, fieldName.length() -1);
    
    } else {
      return fieldName + "Item";
    }
  }
  
  private static Map<String, String> queryToParams(String urlQueryString) {

    Map<String,String> map = new HashMap<String, String>();
    String[] keysAndValues = urlQueryString.split("&");
    
    for (String keyValue : keysAndValues) {
      
      String[] keyValueSplit = keyValue.split("=");
      map.put(keyValueSplit[0], keyValueSplit[1]);
    }
    
    return map;
  }
}

Java Source Code List

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