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    • com.reprezen.genflow.swagger.doc.ArrayHelper Maven / Gradle / Ivy

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    package com.reprezen.genflow.swagger.doc;

import com.google.common.base.Objects;
import com.google.common.collect.Lists;
import com.reprezen.genflow.swagger.doc.AttributeHelper;
import com.reprezen.genflow.swagger.doc.BadArrayException;
import com.reprezen.genflow.swagger.doc.Helper;
import com.reprezen.genflow.swagger.doc.HelperHelper;
import com.reprezen.genflow.swagger.doc.RefHelper;
import java.util.ArrayList;
import java.util.Collections;
import org.eclipse.xtend2.lib.StringConcatenation;
import org.eclipse.xtext.xbase.lib.CollectionLiterals;
import org.eclipse.xtext.xbase.lib.Exceptions;
import org.eclipse.xtext.xbase.lib.Extension;
import org.eclipse.xtext.xbase.lib.Functions.Function1;
import org.eclipse.xtext.xbase.lib.IterableExtensions;
import org.eclipse.xtext.xbase.lib.ListExtensions;

@SuppressWarnings("all")
public class ArrayHelper implements Helper {
  @Extension
  private AttributeHelper attributeHelper;
  
  @Extension
  private RefHelper refHelper;
  
  @Override
  public void init() {
    this.attributeHelper = HelperHelper.getAttributeHelper();
    this.refHelper = HelperHelper.getRefHelper();
  }
  
  public Object getElementType(final Object obj) {
    return IterableExtensions.last(this.collectItemTypes(this.refHelper.resolve(obj), true));
  }
  
  public String getArrayTypeSpec(final Object obj) {
    StringConcatenation _builder = new StringConcatenation();
    String _elementTypeName = this.getElementTypeName(obj);
    _builder.append(_elementTypeName);
    String _arrayShape = this.getArrayShape(obj);
    _builder.append(_arrayShape);
    return _builder.toString();
  }
  
  public String getElementTypeName(final Object obj) {
    String _xblockexpression = null;
    {
      final Object elementType = this.getElementType(obj);
      String _type = null;
      if (elementType!=null) {
        _type=this.attributeHelper.getType(elementType);
      }
      String _rzveTypeName = this.attributeHelper.getRzveTypeName(elementType);
      _xblockexpression = IterableExtensions.last(IterableExtensions.filterNull(Collections.unmodifiableList(CollectionLiterals.newArrayList(_type, _rzveTypeName))));
    }
    return _xblockexpression;
  }
  
  public ArrayList collectItemTypes(final Object obj, final boolean includeFinal) {
    try {
      ArrayList _xblockexpression = null;
      {
        final ArrayList result = Lists.newArrayList();
        Object current = obj;
        while (Objects.equal(this.attributeHelper.getType(current), "array")) {
          {
            result.add(current);
            Object _items = this.attributeHelper.getItems(current);
            Object _resolve = null;
            if (_items!=null) {
              _resolve=this.refHelper.resolve(_items);
            }
            final Object item = _resolve;
            if ((item == null)) {
              throw new BadArrayException("Array has no items type");
            } else {
              boolean _contains = result.contains(item);
              if (_contains) {
                throw new BadArrayException("Array is (or is nested within) its own element type");
              } else {
                current = item;
              }
            }
          }
        }
        if (includeFinal) {
          result.add(current);
        }
        _xblockexpression = result;
      }
      return _xblockexpression;
    } catch (Throwable _e) {
      throw Exceptions.sneakyThrow(_e);
    }
  }
  
  private String getArrayShape(final Object obj) {
    final Function1 _function = (Object it) -> {
      return this.getArrayBounds(it);
    };
    return IterableExtensions.join(ListExtensions.map(this.collectItemTypes(obj, false), _function));
  }
  
  private String getArrayBounds(final Object obj) {
    String _xblockexpression = null;
    {
      final Integer max = this.attributeHelper.getMaxItems(obj);
      final Integer min = this.attributeHelper.getMinItems(obj);
      String _switchResult = null;
      final Object _switchValue = null;
      boolean _matched = false;
      if ((((min == null) || ((min).intValue() == 0)) && ((max == null) || ((max).intValue() == 0)))) {
        _matched=true;
        _switchResult = "[*]";
      }
      if (!_matched) {
        if ((((min == null) || ((min).intValue() == 0)) && ((max).intValue() == 1))) {
          _matched=true;
          _switchResult = "[?]";
        }
      }
      if (!_matched) {
        if ((((min != null) && ((min).intValue() == 1)) && ((max == null) || ((max).intValue() == 0)))) {
          _matched=true;
          _switchResult = "[+]";
        }
      }
      if (!_matched) {
        if (((min != null) && (max == null))) {
          _matched=true;
          StringConcatenation _builder = new StringConcatenation();
          _builder.append("[");
          _builder.append(min);
          _builder.append("+]");
          _switchResult = _builder.toString();
        }
      }
      if (!_matched) {
        if (((min == null) && (max != null))) {
          _matched=true;
          StringConcatenation _builder_1 = new StringConcatenation();
          _builder_1.append("[..");
          _builder_1.append(max);
          _builder_1.append("]");
          _switchResult = _builder_1.toString();
        }
      }
      if (!_matched) {
        boolean _equals = Objects.equal(min, max);
        if (_equals) {
          _matched=true;
          StringConcatenation _builder_2 = new StringConcatenation();
          _builder_2.append("[");
          _builder_2.append(min);
          _builder_2.append("]");
          _switchResult = _builder_2.toString();
        }
      }
      if (!_matched) {
        StringConcatenation _builder_3 = new StringConcatenation();
        _builder_3.append("[");
        _builder_3.append(min);
        _builder_3.append("..");
        _builder_3.append(max);
        _builder_3.append("]");
        _switchResult = _builder_3.toString();
      }
      _xblockexpression = _switchResult;
    }
    return _xblockexpression;
  }
}
    
    
    
    

    




    
    
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