Examples of org.apache.fop.area.AreaTreeHandler

org.apache.fop.area.AreaTreeHandler
Area tree handler for formatting objects. Concepts: The area tree is to be as small as possible. With minimal classes and data to fully represent an area tree for formatting objects. The area tree needs to be simple to render and follow the spec closely. This area tree has the concept of page sequences. Wherever possible information is discarded or optimized to keep memory use low. The data is also organized to make it possible for renderers to minimize their output. A page can be saved if not fully resolved and once rendered a page contains only size and id reference information. The area tree pages are organized in a model that depends on the type of renderer.

                            && rendMaker.needsOutputStream()) {
                        throw new FOPException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                }
            } else {
                return maker.makeFOEventHandler(userAgent, out);
            }
        }

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                            && rendMaker.needsOutputStream()) {
                        throw new FOPException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                }
            } else {
                return maker.makeFOEventHandler(userAgent, out);
            }
        }

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                    if (outputStreamMissing) {
                        throw new FOPException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                } else {
                    throw new UnsupportedOperationException(
                            "Don't know how to handle \"" + outputFormat + "\" as an output format."
                            + " Neither an FOEventHandler, nor a Renderer could be found"
                            + " for this output format.");

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    private void testGetNextPage(final Page[] providedPages, Page expectedPage, boolean isBlank) {


        final Flow flow = mock(Flow.class);
        final PageSequence pseq = mock(PageSequence.class);
        final Root root = mock(Root.class);
        final AreaTreeHandler ath = mock(AreaTreeHandler.class);


        when(flow.getFlowName()).thenReturn(MAIN_FLOW_NAME);
        when(pseq.getMainFlow()).thenReturn(flow);
        when(pseq.getRoot()).thenReturn(root);

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                    if (outputStreamMissing) {
                        throw new FOPException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                } else {
                    throw new UnsupportedOperationException(
                            "Don't know how to handle \"" + outputFormat + "\" as an output format."
                            + " Neither an FOEventHandler, nor a Renderer could be found"
                            + " for this output format.");

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                            && rendMaker.needsOutputStream()) {
                        throw new FOPException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                }
            } else {
                return maker.makeFOEventHandler(userAgent, out);
            }
        }

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                            && rendMaker.needsOutputStream()) {
                        throw new FOPException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                }
            } else {
                return maker.makeFOEventHandler(userAgent, out);
            }
        }

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                            && rendMaker.needsOutputStream()) {
                        throw new IllegalStateException(
                            "OutputStream has not been set");
                    }
                    //Found a Renderer so we need to construct an AreaTreeHandler.
                    return new AreaTreeHandler(userAgent, outputFormat, out);
                }
            } else {
                return maker.makeFOEventHandler(userAgent, out);
            }
        }

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