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copied!<p>Here is one of my BeanFactories, I hope it helps to explain the common pattern:</p> <pre><code>public class LineBeanFactory implements BeanFactory { @Override public Object createBean(final Object source, final Class<?> sourceClass, final String targetBeanId) { final LineDto dto = (LineDto) source; return new Line(dto.getCode(), dto.getElectrified(), dto.getName()); } } </code></pre> <p>And the corresponding XML mapping:</p> <pre><code><mapping> <class-a bean-factory="com.floyd.nav.web.ws.mapping.dozer.LineBeanFactory">com.floyd.nav.core.model.Line</class-a> <class-b>com.floyd.nav.web.contract.dto.LineDto</class-b> </mapping> </code></pre> <p>This way I declare that when a <strong>new</strong> instance of Line is needed then it should create it with my BeanFactory. Here is a unit test, that can explain it:</p> <pre><code>@Test public void Line_is_created_with_three_arg_constructor_from_LineDto() { final LineDto dto = createTransientLineDto(); final Line line = (Line) this.lineBeanFactory.createBean(dto, LineDto.class, null); assertEquals(dto.getCode(), line.getCode()); assertEquals(dto.getElectrified(), line.isElectrified()); assertEquals(dto.getName(), line.getName()); } </code></pre> <p>So <em>Object source</em> is the source bean that is mapped, <em>Class sourceClass</em> is the class of the source bean (I'm ignoring it, 'cause it will always be a LineDto instance). <em>String targetBeanId</em> is the ID of the destination bean (too ignored).</p>

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