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package org.hotrod.config;

import java.util.ArrayList;
import java.util.List;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.hotrod.config.dynamicsql.DynamicSQLPart.ParameterDefinitions;
import org.hotrod.config.structuredcolumns.ColumnsProvider;
import org.hotrod.database.DatabaseAdapter;
import org.hotrod.exceptions.InvalidConfigurationFileException;
import org.hotrod.generator.ParameterRenderer;
import org.hotrod.metadata.Metadata;
import org.hotrod.runtime.dynamicsql.expressions.DynamicExpression;
import org.hotrod.runtime.exceptions.InvalidJavaExpressionException;
import org.hotrodorm.hotrod.utils.SUtil;
import org.nocrala.tools.lang.collector.listcollector.ListWriter;

public abstract class EnhancedSQLPart extends AbstractConfigurationTag {

  private static final long serialVersionUID = 1L;

  private static final Logger log = LogManager.getLogger(EnhancedSQLPart.class);

  // Properties

  protected transient List content = new ArrayList();

  protected List eparts = null;

  // Constructor

  protected EnhancedSQLPart(final String tagName) {
    super(tagName);
  }

  // Validation

  public abstract void validate(final DaosTag daosTag, final HotRodConfigTag config,
      final HotRodFragmentConfigTag fragmentConfig, final ParameterDefinitions parameters,
      final DatabaseAdapter adapter) throws InvalidConfigurationFileException;

  public abstract void validateAgainstDatabase(final Metadata metadata) throws InvalidConfigurationFileException;

  // Render SQL Angle

  public abstract String renderSQLAngle(final DatabaseAdapter adapter, final ColumnsProvider cp);

  // Rendering

  public abstract String renderStatic(final ParameterRenderer parameterRenderer);

  public abstract void renderXML(final SQLFormatter formatter, final ParameterRenderer parameterRenderer);

  // Java Expression Rendering

  public String renderJavaExpression(final int margin, final ParameterRenderer parameterRenderer)
      throws InvalidJavaExpressionException {
    DynamicExpression expr = this.getJavaExpression(parameterRenderer);
    return expr.renderConstructor(margin);
  }

  public abstract DynamicExpression getJavaExpression(ParameterRenderer parameterRenderer)
      throws InvalidJavaExpressionException;

  // Rendering

  public static class SQLFormatter {

    private List lines = new ArrayList();

    public void add(final String txt) {
      if (txt == null) {
        return;
      }
      if (txt.contains("\n")) {
        for (String l : txt.split("\n")) {
          this.lines.add(l);
        }
      } else {
        this.lines.add(txt);
      }
    }

    public int getCurrentIndent() {
      return this.lines.isEmpty() ? 0 : this.lines.get(this.lines.size() - 1).length();
    }

    public String toString() {
      ListWriter w = new ListWriter("\n");
      for (String line : this.lines) {
        if (!SUtil.isEmpty(line)) {
          w.add(line);
        }
      }
      return w.toString();
    }

  }

}
    

    

    

            

    

            



    
    






    
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