Java JRQueryChunk类代码示例

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
protected JRBaseQueryChunk getQueryChunk(JRQueryChunk queryChunk)
{
	JRBaseQueryChunk baseQueryChunk = null;

	if (queryChunk != null)
	{
		baseQueryChunk = (JRBaseQueryChunk)get(queryChunk);
		if (baseQueryChunk == null)
		{
			baseQueryChunk = new JRBaseQueryChunk(queryChunk, this);
		}
	}

	return baseQueryChunk;
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
protected JRBaseQueryChunk(JRQueryChunk queryChunk, JRBaseObjectFactory factory)
{
	factory.put(queryChunk, this);
	
	type = queryChunk.getType();
	text = queryChunk.getText();
	tokenSeparator = queryChunk.getTokenSeparator();
	
	String[] chunkTokens = queryChunk.getTokens();
	if (chunkTokens == null)
	{
		tokens = null;
	}
	else
	{
		tokens = new String[chunkTokens.length];
		System.arraycopy(chunkTokens, 0, tokens, 0, chunkTokens.length);
	}
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
protected JRBaseQuery(JRQuery query, JRBaseObjectFactory factory)
{
	factory.put(query, this);
	
	/*   */
	JRQueryChunk[] jrChunks = query.getChunks();
	if (jrChunks != null && jrChunks.length > 0)
	{
		chunks = new JRQueryChunk[jrChunks.length];
		for(int i = 0; i < chunks.length; i++)
		{
			chunks[i] = factory.getQueryChunk(jrChunks[i]);
		}
	}
	
	language = query.getLanguage();
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 * Parses the query and replaces the parameter clauses by the parameter values and
 * the parameters by the return value of {@link #getParameterReplacement(String) getParameterReplacement}.
 *
 */
protected void parseQuery()
{
	parameterClauseStack = new HashSet<String>();
	
	JRQuery query = dataset.getQuery();
	
	if (query != null)
	{
		JRQueryChunk[] chunks = query.getChunks();
		if (chunks != null && chunks.length > 0)
		{
			StringBuffer sbuffer = new StringBuffer();
			for(int i = 0; i < chunks.length; i++)
			{
				JRQueryChunk chunk = chunks[i];
				appendQueryChunk(sbuffer, chunk);
			}

			queryString = sbuffer.toString();
		}
	}
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
public JRQuery getQuery() {
    JRQuery query = new JRBaseQuery() {

        /**
         * 
         */
        private static final long serialVersionUID = 1L;

        public JRQueryChunk[] getChunks() {
            return null;
        }

        public String getLanguage() {
            return "resourceQuery";
        }

        public String getText() {
            return getQueryText();
        }
    };
    return query;
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
protected void appendQueryChunk(StringBuffer sbuffer, JRQueryChunk chunk)
{
	switch (chunk.getType())
	{
		case JRQueryChunk.TYPE_PARAMETER_CLAUSE :
		{
			appendParameterClauseChunk(sbuffer, chunk.getText());
			break;
		}
		case JRQueryChunk.TYPE_PARAMETER :
		{
			appendParameterChunk(sbuffer, chunk.getText());
			break;
		}
		case JRQueryChunk.TYPE_CLAUSE_TOKENS :
		{
			appendClauseChunk(sbuffer, chunk.getTokens());
			break;
		}
		case JRQueryChunk.TYPE_TEXT :
		default :
		{
			appendTextChunk(sbuffer, chunk.getText());
			break;
		}
	}
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
@Override
public JRQueryChunk[] getChunks()
{
	JRQueryChunk[] chunkArray = null;
	
	if (chunks != null && chunks.size() > 0)
	{
		chunkArray = new JRQueryChunk[chunks.size()];
		chunks.toArray(chunkArray);
	}
	
	return chunkArray;
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
public void addTextChunk(String text)
{
	JRDesignQueryChunk chunk = new JRDesignQueryChunk();
	chunk.setType(JRQueryChunk.TYPE_TEXT);
	chunk.setText(text);

	this.chunks.add(chunk);
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
public void addParameterChunk(String text)
{
	JRDesignQueryChunk chunk = new JRDesignQueryChunk();
	chunk.setType(JRQueryChunk.TYPE_PARAMETER);
	chunk.setText(text);

	this.chunks.add(chunk);
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
public void addParameterClauseChunk(String text)
{
	JRDesignQueryChunk chunk = new JRDesignQueryChunk();
	chunk.setType(JRQueryChunk.TYPE_PARAMETER_CLAUSE);
	chunk.setText(text);

	this.chunks.add(chunk);
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 * Adds a {@link JRQueryChunk#TYPE_CLAUSE_TOKENS clause chunk} to the query.
 * 
 * @param tokens the clause tokens
 * @see JRDesignQueryChunk#setTokens(String[])
 * @deprecated Replaced by {@link #addClauseChunk(String[], char)}.
 */
public void addClauseChunk(String[] tokens)
{
	JRDesignQueryChunk chunk = new JRDesignQueryChunk();
	chunk.setType(JRQueryChunk.TYPE_CLAUSE_TOKENS);
	chunk.setTokens(tokens);

	this.chunks.add(chunk);
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
 *
 */
public void setText(String text)
{
	Object old = getText();
	chunks = new ArrayList<JRQueryChunk>();
	JRQueryParser.instance().parse(text, chunkAdder());
	getEventSupport().firePropertyChange(PROPERTY_TEXT, old, getText());
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
/**
  *
  */
private void parseQuery() {
    queryString = "";
    parameterNames = new ArrayList();

    if( query != null ) {
        JRQueryChunk[] chunks = query.getChunks();
        if( chunks != null && chunks.length > 0 ) {
            StringBuffer sbuffer = new StringBuffer();
            JRQueryChunk chunk = null;
            for( int i = 0; i < chunks.length; i++ ) {
                chunk = chunks[i];
                switch( chunk.getType() ) {
                case JRQueryChunk.TYPE_PARAMETER_CLAUSE: {
                    String parameterName = chunk.getText();
                    Object parameterValue = parameterValues.get( parameterName );
                    sbuffer.append( String.valueOf( parameterValue ) );
                    // parameterNames.add(parameterName);
                    break;
                }
                case JRQueryChunk.TYPE_PARAMETER: {
                    sbuffer.append( "?" );
                    parameterNames.add( chunk.getText() );
                    break;
                }
                case JRQueryChunk.TYPE_TEXT:
                default: {
                    sbuffer.append( chunk.getText() );
                    break;
                }
                }
            }

            queryString = sbuffer.toString();
        }
    }
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
@Override
public JRQueryChunk[] getChunks()
{
	return this.chunks;
}
 

import net.sf.jasperreports.engine.JRQueryChunk; //导入依赖的package包/类
protected String getTokenSeparators()
{
	return JRPropertiesUtil.getInstance(DefaultJasperReportsContext.getInstance()).getProperty(JRQueryChunk.PROPERTY_CHUNK_TOKEN_SEPARATOR);
}